A strong Unbound gravel tire balances efficient rolling on hardpack with enough grip and protection for changing surfaces, making mixed-terrain models a practical starting point for racers and long-distance riders. The Pirelli Cinturato Gravel M and Maxxis Rambler offer spaced knobs for varied terrain, while faster, smoother options suit routes weighted toward firm gravel and pavement. This lineup ranges from a 33mm cyclocross tire to several 45mm gravel tires, so check your frame and fork clearance before choosing by tread alone.
The product details identify tread designs, some compounds and protection features, and a few stated sizes, but do not establish route conditions or real-world performance. Use those specifics to narrow the field, then confirm fit and conditions for your event.
The Pirelli Cinturato Gravel M is the best overall choice here for Unbound-style mixed terrain. Its 700x45C format, medium-height spaced knobs, central strip, and stated suitability for surfaces from compact to unstable make it a versatile match for a variable gravel route. Choose it if your priority is a tire designed to balance rolling efficiency with grip in changing conditions.
If you expect predominantly dry, firm surfaces, the faster-rolling WTB Vulpine S or Continental Terra Speed may better suit that narrower use case.
Our Top Picks
Best OverallIts 700x45C format and medium-height spaced knobs with a central strip are designed for mixed surfaces ranging from compact to unstable.
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Best All-RounderTightly packed center knobs and ample side knobs target varied riding, and the product describes a 40% on-road, 60% off-road balance.
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Best for Firm, Fast GravelIts slick centerline is designed to reduce rolling resistance, while short, closely spaced knobs support cornering; the listed size is 700 x 45.
View on AmazonCompare these gravel tire options
| # | Product | Weight | Material | Warranty Type | Size | Buy |
|---|---|---|---|---|---|---|
| 1 | 1. Pirelli Cinturato Gravel MBest Overall | 570 g | Rubber | — | 700c | View on Amazon |
| 2 | 2. Maxxis RamblerBest All-Rounder | 100 g | Rubber | Limited | 700x45C – EXO | View on Amazon |
| 3 | 3. WTB Vulpine SBest for Firm, Fast Gravel | 560 g | Rubber | Limited | 700 x 45 | View on Amazon |
| 4 | 4. Schwalbe G-One R ProRace-focused light-terrain grip | 1 g | Synthetic Rubber | Manufacturer | 40-622 | View on Amazon |
| 5 | 5. Continental Terra SpeedFast dry-trail transitions | 490 g | Synthetic Rubber | Limited | 700 x 45 | View on Amazon |
| 6 | 6. Maxxis Rambler TanwallTanwall mixed-terrain choice | 1.3 lb | Rubber | Limited | 700x45C – EXO | View on Amazon |
| 7 | 7. Panaracer GravelKing SlickPuncture-conscious gravel rider | 16 oz | Rubber | manufacturer | 700 x 40C | View on Amazon |
| 8 | 8. Continental Terra CompetitionRoad-to-gravel crossover | 1.1 lb | Synthetic Rubber | Limited | 700×40-Grip-Trail | View on Amazon |
| 9 | 9. Maxxis Rambler 2-PackTwo-tire mixed-surface setup | 550 g | Rubber | Limited | 700x45C – EXO, 2 Pack | View on Amazon |
| 10 | 10. Maxxis All TerraneLoose-course cyclocross tread | 375 g | Rubber | Limited | 700x33C – EXO | View on Amazon |
Detailed Reviews: Best Tires For Unbound Gravel

#1 · Best Overall
1. Pirelli Cinturato Gravel M
- Weight: 570 g
- Material: Rubber
- Size: 700c
Best for: Unstable mixed-terrain handling.
Why it ranks #1: Its 700x45C format and medium-height spaced knobs with a central strip are designed for mixed surfaces ranging from compact to unstable.
Medium-height, spaced knobs and a central strip give the Pirelli Cinturato Gravel M a tread suited to surfaces ranging from compact to unstable. Its SmartEVO GR compound is specified for low rolling resistance and grip in dry and wet conditions, making this 700x45C tire a versatile option for mixed-terrain rides.
The medium-height, spaced knobs address variable surfaces, while the central strip supports efficient handling across the compact-to-unstable range described for this model. SmartEVO GR compound is specified to provide low rolling resistance and grip in both dry and wet conditions, useful when route conditions change over a long ride. The listed size is 700x45C, and the product description identifies a tubeless-ready folding version with ProWALL technology, details relevant to setup and construction.
- Designed for mixed terrain from compact to unstable.
- Medium-height, spaced knobs support versatile handling.
- SmartEVO GR compound is specified for dry and wet grip.
- 700x45C tubeless-ready folding version with ProWALL technology.
- Its 700x45C size requires enough frame and fork clearance.
Skip it if you cannot fit a 700x45C tire; the listed size makes bike clearance a necessary constraint.
Choose the Cinturato Gravel M for routes that move between compact and unstable surfaces and may bring wet or dry conditions. Its 700x45C size and tubeless-ready format are central setup considerations; check clearance before selecting it.
Full product details
| Brand | Pirelli |
|---|---|
| Color | Black/Tanwall |
| Included Components | Tires |
| Item Weight | 570 g |
| Manufacturer | Pirelli |
| Part Number | PIR-4596400 |
| Material | Rubber |
| Model Number | PIR-4596400 |
| Size | 700c |
| Warranty Description | Limited Warranty |
| Wheel Size | 70 centimeters |
Listed on Amazon as: Pirelli Cinturato Gravel M High Performance Tubeless Tire Classic para, 700X45mm
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#2 · Best All-Rounder
2. Maxxis Rambler
- Weight: 100 g
- Material: Rubber
- Warranty Type: Limited
- Size: 700x45C – EXO
Best for: Mixed-surface all-rounder.
Why it ranks #2: Tightly packed center knobs and ample side knobs target varied riding, and the product describes a 40% on-road, 60% off-road balance.
Tightly packed center knobs paired with ample side knobs give the Maxxis Rambler a balanced tread for a broad mix of gravel riding and racing. Its dual compound is intended to balance rolling resistance with grip, while EXO material adds cut- and abrasion-resistance to the sidewalls for riders navigating varied surfaces.
The Rambler’s tightly packed center knobs support rolling across the straighter portions of a route, while ample side knobs offer traction through turns. Two rubber compounds balance rolling resistance and grip, making the tread relevant to riders mixing pavement and off-road sections. EXO sidewall material is cut- and abrasion-resistant, a useful detail for rougher route edges. The listed 700x45C size and stated 40% on-road, 60% off-road use describe its intended mixed-surface role.
- Tightly packed center knobs and ample side knobs.
- Dual compound balances rolling resistance and grip.
- EXO sidewall material resists cuts and abrasion.
- Listed for a 40% on-road, 60% off-road mix.
- Its 700x45C size is not suitable for a frame or fork that cannot clear that tire width.
Skip it if you need a tire narrower than 700x45C; this listing specifies that size, so check your frame and fork clearance.
The Rambler suits riders seeking one tire for mixed pavement, gravel, and off-road stretches, especially when sidewall resistance to cuts matters. Check clearance for the listed 700x45C size before choosing it for an Unbound setup.
Full product details
| Brand | Maxxis |
|---|---|
| Color | Black |
| Included Components | Tyres & Tubes |
| Item Weight | 100 g |
| Manufacturer | Maxxis |
| Part Number | MA-3064 |
| Material | Rubber |
| Model Number | 1302864153 |
| Size | 700x45C – EXO |
| Warranty Description | Maxxis warrants to the original retail purchaser of every new Maxxis brand bicycle tire that the tire will be free from defect in material and workmanship for up to one year from date of purchase or until there is no serviceable original tread depth (as determined at the reasonable discretion of Max |
| Warranty Type | Limited |
| Wheel Size | 28 inches |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: Maxxis Rambler | Dual Compound – EXO, SilkShield | Gravel Tire
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#3 · Best for Firm, Fast Gravel
3. WTB Vulpine S
- Weight: 560 g
- Material: Rubber
- Warranty Type: Limited
- Size: 700 x 45
Best for: Fast hardpack race tire.
Why it ranks #3: Its slick centerline is designed to reduce rolling resistance, while short, closely spaced knobs support cornering; the listed size is 700 x 45.
A slick centerline is the Vulpine S’s defining feature, reducing rolling resistance to help maintain speed across pavement, hardpack, and gravel. Its round profile and short, closely spaced knobs add predictable cornering traction on hardpack, giving race-focused riders a quick-rolling option that does not rely on a completely smooth tread.
The 700 x 45 size pairs with a tubeless folding construction, while the slick centerline supports efficient rolling on pavement and firm gravel. Short, tightly spaced knobs around the rounded profile provide predictable cornering traction on hardpack, a practical match for routes that alternate straights with turns. WTB describes it as its fastest tire and a racing-oriented option; that emphasis suits riders prioritizing pace on firmer surfaces over a tread aimed at rougher, more technical terrain.
- Slick centerline reduces rolling resistance.
- Short, closely spaced knobs support predictable hardpack cornering.
- Specified for pavement, hardpack, and gravel.
- 700 x 45 tubeless folding format.
- Its slick centerline and hardpack-focused cornering are less suited to routes dominated by loose, technical terrain.
Skip it if you need a tire centered on loose, unstable surfaces; the listed tread features emphasize speed and hardpack cornering.
Choose the Vulpine S for a race-oriented Unbound setup that spends much of its time on pavement, hardpack, or firm gravel. Its 700 x 45 size and stated tubeless format are the key fit considerations; the tread emphasis is speed, not loose-terrain bite.
Full product details
| Brand | WTB |
|---|---|
| Color | Tan |
| Included Components | Tire |
| Item Weight | 560 g |
| Manufacturer | WTB |
| Part Number | W010-1062 |
| Material | Rubber |
| Model Number | W010-1062 |
| Size | 700 x 45 |
| Warranty Description | 2 year manufacturer |
| Warranty Type | Limited |
| Wheel Size | 700 inches |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: This product can expose you to chemicals including naphthalene which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov |
Listed on Amazon as: WTB Vulpine S Gravel Bike Tire (700c) Tubeless Folding – Racing Tire w/Slick Centerline – SG Puncture Protection (Black/Tan)
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#4
4. Schwalbe G-One R Pro
- Weight: 1 g
- Material: Synthetic Rubber
- Warranty Type: Manufacturer
- Size: 40-622
Best for: Race-focused light-terrain grip.
Why it ranks #4: The product pairs Race Pro construction and Addix Race Compound with V-Guard puncture protection, and is described for gravel roads, light terrain, and asphalt.
Schwalbe’s Race Pro construction and Addix Race Compound combine smooth running and low rolling resistance with grip on light terrain, gravel roads, and asphalt. The G-ONE R PRO is presented as an all-rounder for unknown routes, with a Super Race carcass that brings speed and control to a race-oriented gravel tire.
The Addix Race Compound is specified to pair low rolling resistance with grip, which suits riders linking gravel roads and asphalt without giving up the stated traction on light terrain. Schwalbe’s Super Race carcass is described as combining suppleness, speed, and control, relevant to long stretches where ride feel and pace matter. The listing gives a 40-622 size and identifies the tire as E-bike ready; those details help narrow fit and compatibility decisions.
- Addix Race Compound combines low rolling resistance and grip.
- Specified for light terrain, gravel roads, and asphalt.
- Super Race carcass is described as supple, fast, and controlled.
- 40-622 size and E-bike-ready designation are listed.
- Its stated terrain range centers on light terrain, gravel roads, and asphalt rather than highly technical routes.
Skip it if you ride predominantly highly technical terrain; the listed use focuses on light terrain, gravel roads, and asphalt.
The G-ONE R PRO fits riders seeking a race-focused tire for light gravel, asphalt links, and routes where suppleness and control matter. Check the 40-622 size against your bike, and note its stated terrain focus before taking it onto technical ground.
Full product details
| Brand | SCHWALBE |
|---|---|
| Color | Transparent Sidewall |
| Included Components | nothing |
| Item Weight | 1 g |
| Manufacturer | Schwalbe |
| Part Number | 1.165424001E7 |
| Material | Synthetic Rubber |
| Model Number | 1.165424001E7 |
| Size | 40-622 |
| Warranty Description | Limited Warranty |
| Warranty Type | Manufacturer |
| Wheel Size | 28 inches |
Listed on Amazon as: Schwalbe G-ONE R PRO Bicycle tire – Gravel tire – E-Bike Ready, Gravel Bike tire, Race Pro Construction
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#5
5. Continental Terra Speed
- Weight: 490 g
- Material: Synthetic Rubber
- Warranty Type: Limited
- Size: 700 x 45
Best for: Fast dry-trail transitions.
Why it ranks #5: The close-knit hexagonal tread is described as smooth rolling on drier, less technical trails and roads, making it less suited to unpredictable loose sections.
A close-knit hexagonal tread gives the Continental Terra Speed a smooth-rolling surface, supporting quick acceleration on dry, less technical trails and efficient travel on road sections. Its 700 x 45 size makes it an option for riders whose Unbound route combines gravel with pavement, rather than consistently demanding aggressive traction.
Continental positions the Terra Speed for speed on drier, less technical trails, where its close-knit hexagonal tread provides a smooth-rolling surface. That same tread is relevant when a route includes road stretches, helping connect off-road sections without switching tires. The listed 700 x 45 size and tubeless gravel-tire description give buyers core fit and setup details, while the E25 e-bike rating matters to riders checking that specific compatibility requirement.
- Close-knit hexagonal tread is described as smooth rolling.
- Intended for quick acceleration on less technical, drier trails.
- Suitable for routes that include road sections.
- 700 x 45 size and E25 e-bike rating are specified.
- Its stated fast, dry-trail focus is a limitation for routes dominated by technical or unstable terrain.
Skip it if you expect predominantly unstable, technical surfaces; the Terra Speed is specified for drier, less technical trails.
Consider the Terra Speed for an Unbound route with dry, relatively smooth gravel and meaningful road links. Its 700 x 45 size and E25 rating are useful checks for fit and compatibility, while riders needing a tread specified for more technical ground should look elsewhere.
Full product details
| Brand | Continental |
|---|---|
| Color | Black/Transparent |
| Included Components | nothing |
| Item Weight | 490 g |
| Manufacturer | Continental |
| Part Number | 01020070000 |
| Material | Synthetic Rubber |
| Model Number | 1012849805 |
| Size | 700 x 45 |
| Warranty Description | producer |
| Warranty Type | Limited |
| Wheel Size | 29 inches |
Listed on Amazon as: Continental Terra Speed – Tubeless Gravel Bike Tire | Engineered for Speed, Engineered for the Unknown – E25 Ebike Rated –
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#6
6. Maxxis Rambler Tanwall
- Weight: 1.3 lb
- Material: Rubber
- Warranty Type: Limited
- Size: 700x45C – EXO
Best for: Tanwall mixed-terrain choice.
Why it ranks #6: Its dual compound balances rolling resistance and grip, while EXO sidewall material is cut- and abrasion-resistant; listed as a tubeless-ready 700x45C tire.
A tan sidewall distinguishes this tubeless-ready Maxxis Rambler, while its tightly packed center knobs and ample side knobs target mixed-terrain control. The dual-compound tread balances rolling resistance with grip, and EXO sidewall material resists cuts and abrasion, giving riders practical details for a varied gravel route.
The Rambler’s center knobs are described as tightly packed for lower rolling resistance, while its side knobs support cornering and control across mixed terrain. Dual-compound rubber balances rolling resistance and grip, an approach suited to riders moving between road and off-road sections. EXO material adds cut- and abrasion-resistance to the sidewalls. The listing specifies a 700x45C tubeless-ready tire with a tan sidewall, plus a stated 40% on-road and 60% off-road use mix.
- Tightly packed center knobs and side knobs serve mixed terrain.
- Dual compound balances rolling resistance and grip.
- EXO sidewall material resists cuts and abrasion.
- 700x45C tubeless-ready tire with tan sidewall.
- The listed 700x45C width requires adequate frame and fork clearance.
Skip it if you cannot clear a 700x45C tire; this listed width is a fit constraint for your bike.
Pick this Rambler if you want a tan-sidewall, tubeless-ready tire for mixed pavement and off-road riding, with EXO sidewall protection. Confirm that 700x45C clears your bike; the tread is presented as versatile rather than specialized for one surface.
Full product details
| Brand | Maxxis |
|---|---|
| Color | Tan |
| Included Components | 700x45C – EXO, Rambler Tan Dual Compound Tire, TB00417500, Tan Sidewall, Tubeless Ready |
| Item Weight | 1.3 pounds |
| Manufacturer | Maxxis |
| Part Number | TB00417500 |
| Material | Rubber |
| Model Number | TB00417500 |
| Size | 700x45C – EXO |
| Warranty Description | Maxxis warrants to the original retail purchaser of every new Maxxis brand bicycle tire that the tire will be free from defect in material and workmanship for up to one year from date of purchase or until there is no serviceable original tread depth (as determined at the reasonable discretion of Max |
| Warranty Type | Limited |
| Wheel Size | 70 centimeters |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: Maxxis Rambler | Dual Compound – EXO | Tan Sidewall Tubeless Gravel Tire
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#7
7. Panaracer GravelKing Slick
- Weight: 16 oz
- Material: Rubber
- Warranty Type: manufacturer
- Size: 700 x 40C
Best for: Puncture-conscious gravel rider.
Why it ranks #7: The slick format and stated suitability for gravel, dirt, and rough pavement favor firmer routes; its TuffTex casing is described as puncture protective.
A high-thread-count TuffTex casing brings puncture protection and a supple ride to Panaracer’s GravelKing Slick, making it relevant to long days over gravel, dirt, and rough pavement. Its ZSG Gravel compound is specified for grip and low rolling resistance across weather conditions, pairing efficiency with a slick-tread gravel format.
The TuffTex casing is described as high-thread-count and puncture-protective, while also providing a supple ride; that combination speaks to comfort and casing resilience on rough pavement and gravel. ZSG Gravel compound is specified for grip and low rolling resistance across all weather conditions, supporting varied route surfaces without sacrificing the stated efficiency aim. The tire is tubeless-ready and folding, and the listed 700 x 40C size is a key clearance consideration for bike setup.
- High-thread-count TuffTex casing offers puncture protection.
- TuffTex casing is described as providing a supple ride.
- ZSG Gravel compound offers grip and low rolling resistance across weather conditions.
- Tubeless-ready folding tire in 700 x 40C.
- The listed 700 x 40C size is narrower than 700 x 45 options in this roundup.
Skip it if you want a 700 x 45 tire; this GravelKing listing specifies 700 x 40C instead.
Choose the GravelKing Slick for long gravel, dirt, and rough-pavement rides where its TuffTex casing and ZSG compound match your priorities. Its 700 x 40C size is the main fit boundary, so check clearance and intended width before committing.
Full product details
| Brand | Panaracer |
|---|---|
| Color | Black/Brown |
| Included Components | Tires |
| Item Weight | 16 ounces |
| Manufacturer | Panaracer |
| Part Number | RF740-GK-D2 |
| Material | Rubber |
| Model Number | RF740-GK-D2 |
| Size | 700 x 40C |
| Warranty Description | Limited Warranty |
| Warranty Type | manufacturer |
| Wheel Size | 70 centimeters |
Listed on Amazon as: GRAVELKING Slick Tubeless Ready Folding Gravel Tire – Classic, Plus, Race
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#8
8. Continental Terra Competition
- Weight: 1.1 lb
- Material: Synthetic Rubber
- Warranty Type: Limited
- Size: 700×40-Grip-Trail
Best for: Road-to-gravel crossover.
Why it ranks #8: The listing identifies a tubeless gravel tire and a 700×40 Grip-Trail variant, but provides little tread or performance detail for judging course fit.
The Continental Terra Competition is presented as a tubeless gravel tire that blurs the line between road and gravel, making it a crossover option for riders linking paved and unpaved sections. Its listing specifies a 700×40 version and a Grip-Trail Grip designation, giving buyers concrete details to check against their route and setup.
Continental’s road-and-gravel crossover positioning makes this tire relevant to routes that move between paved roads and gravel, rather than a single-surface ride. The product listing identifies a 700×40 version and labels its specification Grip-Trail Grip, details that help buyers compare the intended format and designation with their bike and route. It is described as tubeless and E25 e-bike rated, so riders can also assess those listed setup and compatibility requirements before purchase.
- Positioned to bridge road and gravel riding.
- Listed as a tubeless gravel bike tire.
- 700×40 version is specified.
- E25 e-bike rating is listed.
- The supplied listing provides limited tread and compound detail for judging traction on specific gravel conditions.
Skip it if you need detailed tread or compound information to choose for a specific surface; this listing supplies little of either.
Consider the Terra Competition if your route combines road and gravel and the listed tubeless format, 700×40 version, and E25 rating suit your setup. The supplied details do not establish a specific terrain-focused tread advantage, so weigh that boundary.
Full product details
| Brand | Continental |
|---|---|
| Color | Black/Transparent |
| Included Components | 1x Terra Competition 700×40-Grip-Trail Grip, Trail |
| Item Weight | 1.1 pounds |
| Manufacturer | Continental |
| Part Number | 1507590000 |
| Material | Synthetic Rubber |
| Model Number | 1507590000 |
| Size | 700×40-Grip-Trail |
| Warranty Description | Continental Tire the Americas, LLC (“Continental“) provides a Limited Warranty to the original (consumer) purchaser that covers all Continental bicycle tires, purchased within the United States and Canada, against manufacturer defects in material and workmanship for up to two years from date of purc |
| Warranty Type | Limited |
| Wheel Size | 62.2 centimeters |
Listed on Amazon as: Continental Terra Competition – Black/Transparent – Tubeless Gravel Bike Tire | Blur the Line Between Road & Gravel – E25 Ebike Rated –
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#9
9. Maxxis Rambler 2-Pack
- Weight: 550 g
- Material: Rubber
- Warranty Type: Limited
- Size: 700x45C – EXO, 2 Pack
Best for: Two-tire mixed-surface setup.
Why it ranks #9: The two-tire listing uses Rambler tread with dual compound and EXO sidewalls, but its distinguishing pack format adds less route-specific guidance than other options.
This two-pack pairs Maxxis Rambler tires, whose tightly packed center knobs and ample side knobs are intended for a broad range of gravel riding and racing. Dual-compound rubber balances rolling resistance with grip, while EXO sidewall material resists cuts and abrasion—useful details when setting up both wheels for mixed terrain.
With two tires in the pack, riders can outfit both wheels with the same Rambler tread and compound. Tightly packed center knobs and ample side knobs support its stated all-round gravel role, while dual-compound rubber balances rolling resistance and grip on routes mixing paved and off-road stretches. EXO material resists cuts and abrasion at the sidewalls. The listing specifies 700x45C, tubeless-ready construction, and a 40% on-road, 60% off-road use mix.
- Two tires are included in the listing.
- Tightly packed center knobs and ample side knobs suit mixed gravel use.
- Dual compound balances rolling resistance and grip.
- EXO sidewall material resists cuts and abrasion.
- The listed 700x45C size requires adequate clearance on both wheels.
Skip it if you need a width other than 700x45C; this two-tire listing specifies that size for the Rambler.
This Rambler two-pack fits riders outfitting both wheels for a mixed pavement-and-gravel route, with dual-compound tread and EXO sidewalls. Check 700x45C clearance at both ends of the bike; the listed use mix is 40% on-road and 60% off-road.
Full product details
| Brand | Maxxis |
|---|---|
| Color | Black |
| Included Components | 700x45C – EXO, Black Sidewall, Rambler Dual Compound Tire, TB00143200, Tubeless Ready |
| Item Weight | 550 g |
| Manufacturer | Maxxis |
| Part Number | TB00143200 2 Pack |
| Material | Rubber |
| Model Number | Maxxis-TB00143200 2 Pack |
| Size | 700x45C – EXO, 2 Pack |
| Warranty Description | Maxxis warrants to the original retail purchaser of every new Maxxis brand bicycle tire that the tire will be free from defect in material and workmanship for up to one year from date of purchase or until there is no serviceable original tread depth (as determined at the reasonable discretion of Max |
| Warranty Type | Limited |
| Wheel Size | 70 centimeters |
Listed on Amazon as: Maxxis Rambler | Dual Compound – EXO, SilkShield | Tubeless Tire, 2 Pack
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#10
10. Maxxis All Terrane
- Weight: 375 g
- Material: Rubber
- Warranty Type: Limited
- Size: 700x33C – EXO
Best for: Loose-course cyclocross tread.
Why it ranks #10: Its aggressive, open tread targets loose cyclocross courses, but the listed 700x33C size and cyclocross focus make it the least versatile Unbound match.
Tall, open knobs give the Maxxis All Terrane traction to bite into loose conditions, while their ramped shape is intended to preserve speed. The 700x33C tire is described as an all-condition cyclocross option, with dual compound balancing rolling resistance and grip and EXO material protecting the sidewalls against cuts and abrasion.
The All Terrane’s open tread is described as clearing mud, and its taller knobs can bite and dig into loose ground; ramped knobs address speed across varied race conditions. Dual-compound rubber balances rolling resistance with grip, while EXO material adds cut- and abrasion-resistance to the sidewalls. This tubeless-ready model is listed at 700x33C, narrower than the 700×45 gravel options, making clearance and the narrower cyclocross-oriented fit important considerations for an Unbound build.
- Open tread is described as clearing mud.
- Tall knobs bite into loose conditions; ramped knobs support speed.
- Dual compound balances rolling resistance and grip.
- EXO sidewall material resists cuts and abrasion.
- The 700x33C size is narrower than the 700×45 options in this roundup.
Skip it if you need a 700×45 tire for your setup; this All Terrane is listed as 700x33C.
Choose the All Terrane for a cyclocross-style setup where loose ground and mud-clearing tread matter. Its 700x33C size is the key boundary for an Unbound gravel build; check your required width and bike clearance before selecting it.
Full product details
| Brand | Maxxis |
|---|---|
| Color | Black |
| Included Components | 1X CYCLOCROSS TIRE |
| Item Weight | 375 g |
| Manufacturer | Maxxis |
| Part Number | TB88998100 |
| Material | Rubber |
| Model Number | TB88998100 |
| Size | 700x33C – EXO |
| Warranty Description | The product is replaced if broken or it is defective from factory |
| Warranty Type | Limited |
| Wheel Size | 28 inches |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: Maxxis All Terrane | Dual Compound – EXO | Tubeless Gravel Tire
View on AmazonAvoid treating width as a fit guarantee
A listed tire width does not confirm that a tire will fit your bike. The products span a 700x33C Maxxis All Terrane, a 700x40C Panaracer GravelKing Slick, and several models listed at 700×45 or 700x45C, but frame and fork clearance is not supplied. Check the exact clearance permitted by your frame, fork, and wheel setup before ordering, and confirm whether the stated tire size is compatible with your rim.
A nominal width can also differ from the measured width once mounted, so do not assume two tires with the same printed size occupy exactly the same space. This matters especially when changing from a narrower cyclocross-style tire to a wider gravel option.
The available listing details cannot settle those fit questions; verify them against your bike and wheel manufacturers rather than relying on the product title alone.
Match tread to the route’s loose sections
The main trade-off is efficient rolling on firm surfaces versus traction when gravel becomes loose or unstable. The WTB Vulpine S has a slick centerline and closely spaced cornering knobs, while the Continental Terra Speed has a close-knit hexagonal tread described for dry, less technical trails and road stretches. By contrast, the Pirelli Cinturato Gravel M is described for surfaces from compact to unstable and uses medium-height spaced knobs; the Maxxis Rambler pairs tightly packed center knobs with ample side knobs.
These descriptions help identify intended use, but they do not predict the exact conditions of a particular Unbound route or establish comparative test results. If your route choice or conditions are uncertain, a mixed-terrain tread is the safer category match.
If you know you will spend most of your time on hardpack and pavement, a smoother center may suit your priorities better.
How to Choose Unbound Gravel Tires
Tread for the terrain
Look for a tread that matches the firm-to-loose surfaces you expect rather than choosing by speed claims alone. The WTB Vulpine S uses a slick centerline with short, closely spaced knobs, and the Continental Terra Speed has a close-knit hexagonal pattern described for drier, less technical trails. The Pirelli Cinturato Gravel M uses medium-height spaced knobs for terrain ranging from compact to unstable; the Maxxis Rambler combines tight center knobs with larger side knobs.
A smoother center suits riders expecting mostly hardpack, while the more open mixed-terrain patterns suit riders who want a design intended for changing grip conditions. The listing data does not specify the actual route conditions, so let your course information guide this trade-off.
Width and bike clearance
Look for a tire width that your frame, fork, and rims can accommodate, then compare the listed sizes. The Maxxis All Terrane is 700x33C, the Panaracer GravelKing Slick is 700x40C, and several choices—including the Pirelli Cinturato Gravel M and Maxxis Rambler—are listed at 700×45 or 700x45C. These values show a substantial range, but they do not confirm actual mounted width or clearance on your bike.
A narrower option may suit a bike with limited room; riders whose bikes have clearance for a 45mm-class tire can consider the wider models in this lineup. Confirm compatibility with your bike and rim before purchasing rather than treating the nominal size as a fit guarantee.
Protection and construction
Look for stated protection features if sharp debris or long-distance reliability is a concern, while remembering that listings do not establish comparative puncture rates. The Schwalbe G-One R Pro lists V-Guard puncture protection, the Maxxis Rambler models include EXO sidewall material described as cut- and abrasion-resistant, and the Panaracer GravelKing Slick describes a TuffTex casing with puncture protection. The Pirelli Cinturato Gravel M listing names ProWALL technology, though it does not explain its details in the supplied information.
Riders prioritizing explicitly named protection can focus on the Schwalbe or EXO-equipped Rambler; riders prioritizing a fast, slick-style tread may prefer the Panaracer while weighing its stated casing feature. Compare the exact tire version, since protection and construction can vary across a model family.
Which Unbound Gravel Tire Should You Choose?
For a route that may shift from compact to unstable gravel, choose the Pirelli Cinturato Gravel M: its 700x45C format and spaced, medium-height knobs are explicitly aimed at mixed terrain. If you want a versatile tread with a stated 40% on-road and 60% off-road balance, the Maxxis Rambler is a strong alternative. Choose the WTB Vulpine S for a fast-rolling centerline and hardpack emphasis, or the Schwalbe G-One R Pro if its listed V-Guard protection is a priority.
The Continental Terra Speed is better aligned with dry, less technical trails and road stretches. Before deciding, check your bike’s clearance: listed options run from 700x33C to 700×45-class sizes, and the product details cannot confirm compatibility with your frame or rims.
Related Buying Guides
Frequently Asked Questions
What tire width should I use for the Unbound Gravel course?
Start with the width your frame and fork safely clear; Unbound conditions can then guide tread choice. The options here span 700x33C to 700×45-class sizes, but product listings do not establish fit for your bike or rims. For variable gravel, prioritize a width your setup supports and that leaves reliable clearance.
Should I choose a slick, semi-slick, or knobby gravel tire for Unbound?
Match tread to expected conditions: a faster-rolling centerline suits firm, dry surfaces, while spaced knobs can offer a more versatile match when terrain ranges from compact to unstable. The Pirelli Cinturato Gravel M is the overall mixed-terrain pick here; the WTB Vulpine S and Continental Terra Speed suit a drier, firmer emphasis.
How can I check whether a gravel tire will fit my bike and wheels?
Check your frame, fork, and rim manufacturer guidance for tire-width compatibility, then verify clearance at the tightest points. The listed choices range from 700x33C to 700×45-class sizes, but the product details cannot confirm compatibility with a particular bike or wheelset. Do not assume a listed size will fit.
When does a faster-rolling tread make more sense?
A faster-rolling tread is a sensible choice when your route is expected to be predominantly dry and firm, with road stretches or less technical trails. The WTB Vulpine S has a slick centerline, while the Continental Terra Speed is aligned with dry, less technical use. For changing surfaces, consider a more versatile tread.
Which feature matters most when conditions may change?
For changing conditions, prioritize a tread explicitly suited to a range of surfaces rather than optimizing only for firm gravel. The Pirelli Cinturato Gravel M has medium-height spaced knobs and is stated to suit compact through unstable surfaces. If protection is your priority, the Schwalbe G-One R Pro lists V-Guard protection.
Final Words
For a route that may shift between compact and unstable gravel, the Pirelli Cinturato Gravel M is the most versatile choice in this roundup, with its 700x45C format and spaced, medium-height knobs. Favor the WTB Vulpine S or Continental Terra Speed if dry, firm conditions dominate. Before ordering, confirm tire clearance and wheel compatibility with your bike’s manufacturer; these product details alone cannot verify fit.


