Best Bicycle Motor Conversion Kit for Gas or Electric Builds

#1 · Best Overall

1. IMAYCC 80cc Engine Kit

• Weight: 26.4 lb

Best for: Hands-on 26–28-inch bike converters.

Why it ranks #1: Its complete 2-stroke kit is listed for 26–28-inch mountain, cruiser, and road bikes, with installation guidance estimating 2–4 hours.

The 80cc two-stroke gasoline engine kit is specified for 26–28-inch mountain, cruiser, and road bikes, giving hands-on builders a gas-powered conversion route across several common bike styles. Its complete-kit format brings the engine components together, while the installation notes set a realistic expectation for setup and tuning.

This IMAYCC kit is a 2.1 kW, 26.4-pound 80cc single-cylinder engine set, so buyers can assess both its stated output and the added weight before choosing a bicycle. Its listed fit spans 26–28-inch mountain, cruiser, and road bikes, offering flexibility across those categories. Installation calls for basic hardware skills and tools, with about two to four hours for installation and fine-tuning; first-time builders are directed to the instructions and an IMAYCC installation video.

Skip it if you want an electric conversion rather than a gasoline two-stroke; the Mahugde 48V 1000W rear-wheel kit uses an electric hub motor.

Choose this kit if you want a gasoline engine conversion for a listed 26–28-inch mountain, cruiser, or road bike and can handle hands-on setup. Allow time for installation and fine-tuning, particularly if this is your first engine conversion.

Listed on Amazon as: IMAYCC Bike Motor Kit 80cc Motorized Bike Kit 2 Stroke Gas Bicycle Engine Conversion Kit Fit for 26-28" Bikes Red

#2 · Best Tunable Carburetor

2. YUNLAIGOTOP 100cc Engine Kit

• Warranty Description: Free warranty within one year for…

Best for: Tunable 26–28-inch gas converters.

Why it ranks #2: The 100cc gas kit fits 26–28-inch bikes and lists an adjustable, re-jettable carburetor, upgraded CDI, and a one-year manufacturer-defect warranty.

A tunable carburetor with a handlebar choke lever distinguishes this 100cc YUNLAIGOTOP gasoline kit, giving builders adjustment points for engine operation as well as a complete upgrade set. The listed package includes a 44-tooth sprocket and upgraded CDI, and the stated fit covers 26–28-inch bikes.

The carburetor’s main jet can be re-jetted, and its idle RPM and idle-air screws provide specified adjustment points for tuning. A handlebar choke lever makes choke operation accessible from the riding position. The 44-tooth sprocket and upgraded CDI are named parts in the full kit, while air cooling and kick starting describe the engine setup. Its listed 26–28-inch fit helps define the candidate bicycle range, but builders should still plan for engine installation and tuning.

Skip it if you want a 48V electric wheel conversion instead of gasoline and kick starting; Jeaieaiu’s 26-inch 1000W rear hub kit is electric.

This kit fits a hands-on builder seeking a tunable gasoline conversion for a 26–28-inch bike, with carburetor adjustments and named ignition and sprocket upgrades. Its air-cooled, kick-start setup is the relevant boundary when choosing an engine workflow.

Listed on Amazon as: 100cc Bicycle Engine Kit 2 Stroke Motorized Bicycle Engine Motor Kit Gas Bicycle Engine Conversion Kit with Air-Cooling, Bike Motor Kit Fit for 26"-28" Bikes

#3 · Best Stated Fuel Economy

3. JAYGOVAN 80cc Engine Kit

Best for: 80cc gasoline range-conscious riders.

Why it ranks #3: This 80cc 2-stroke kit lists 2.1kW output, speeds up to 23.61 mph, and reference fuel use of 0.53 gallons per 62.14 miles.

The JAYGOVAN 80cc two-stroke kit lists 2.1 kW output and a top speed of 23.61 mph, giving gasoline-conversion shoppers concrete engine and speed figures to weigh. Its stated reference fuel use is about 0.53 gallons per 62.14 miles, and CDI ignition is also specified.

The 2.1 kW output and stated 5000 rpm describe the engine’s listed performance, while the 23.61 mph top-speed figure gives buyers another stated operating benchmark. JAYGOVAN also gives a reference fuel-use figure of about 0.53 gallons per 62.14 miles, useful for considering fuel planning without treating it as a guaranteed result. CDI ignition identifies the ignition type. The supplied information does not state a bicycle wheel-size or frame-fit range, so those details remain a key selection boundary.

Skip it if you need a stated 26–28-inch fit range; IMAYCC’s 80cc kit lists that range for mountain, cruiser, and road bikes.

Choose this if the listed 80cc gasoline engine, CDI ignition, and stated performance figures match your conversion plans. Because no wheel-size or frame-fit range is supplied, check that your bicycle can accommodate the engine before proceeding.

Listed on Amazon as: 80cc Bicycle Engine Kit 2 Stroke Gas Bike Motor Kit Refit Full Set

#4 · Best 110cc Gas Option

4. Mahugde 110cc Engine Kit

Best for: DIY gas-kit frame matchers.

Why it ranks #4: Its 110cc, 2-stroke gas kit lists CDI ignition, 3kW maximum power at 6000 rpm, a 2L fuel tank, and V-frame compatibility.

A 110cc two-stroke engine and CDI ignition headline this Mahugde conversion set, giving DIY builders a gasoline-powered option with a stated maximum output of 3 kW at 6000 rpm. Its frame guidance points to bicycles with a V-shaped frame and ample triangular space, making frame layout an important selection factor.

The stated 3 kW maximum power at 6000 rpm and CDI ignition identify the kit’s engine and ignition configuration, while its foot-pedal starting mode clarifies the listed starting method. Mahugde specifies compatibility with most bicycles that have V-shaped frames and ample triangular space, including mountain, road, and cruiser bikes. That frame guidance can help narrow the candidate bikes before a conversion, but the product information does not provide a wheel-size fit range.

Skip it if you need a stated 26-inch electric rear-wheel conversion; Mahugde’s 48V 1000W hub-motor wheel kit lists that wheel size.

This suits a DIY builder seeking a 110cc gasoline conversion whose bicycle has a V-shaped frame and ample triangular space. Review the frame layout closely before starting; the supplied specifications do not state a wheel-size range.

Listed on Amazon as: Upgraded 110cc Bicycle Engine Kit, 2-Stroke Gas Motorized Bicycle Conversion Kit for 26" /28" Bikes Fit Petrol Gas Motor Kit Engine Refit Full Set with CDI for DIY Motorized Bicycle Bike (Black)

#5

5. Tipyoumall 110cc Engine Kit

• Weight: 11 kg
• Warranty Description: 2

Best for: Fuel-conscious 110cc engine converters.

Why it ranks #5: The 110cc gas engine kit is specified for 26–28-inch bikes and includes a 36-tooth sprocket; its listing also states a 396-pound maximum recommendation.

A stated fuel-use figure of 150 miles per gallon distinguishes this Tipyoumall 110cc two-stroke kit, giving gasoline-conversion shoppers a specific efficiency claim to consider. The kit is listed for 26–28-inch bikes and includes a 36-tooth sprocket, while the supplied details call out a two-stroke oil requirement during break-in.

The 110cc engine and 36-tooth sprocket identify key parts of this gasoline conversion, while the listed 26–28-inch fit narrows the bicycle range to consider. Tipyoumall states fuel use of 150 miles per gallon and specifies eight ounces of two-stroke oil per gallon of gas during the break-in period. That oil-mixing instruction affects initial fuel preparation. The supplied components list names a tool kit, so buyers can account for that included item when planning the installation.

Skip it if you want an electric rear-wheel conversion with a PAS sensor and LCD; Bdujhit’s 20-inch 48V 1500W hub kit lists both.

This suits a buyer seeking a 110cc gasoline conversion for a 26–28-inch bike and willing to follow the specified oil-mixing requirement during break-in. Consider the stated fuel-use figure alongside the hands-on engine setup.

Listed on Amazon as: 110cc Bicycle Engine Kit, Updated 2 Stroke Motorized Bike Engine Motor Kit for 26"- 28" Bikes Bicycles Petrol Gas Powered Super Fuel-efficient Fit Modified Full Set

#6 · Best 26-Inch Electric Wheel Kit

6. Jeaieaiu 48V 1000W Kit

• Warranty Description: 2 years

Best for: 26-inch electric kit component planners.

Why it ranks #6: This electric conversion lists a 26-inch, 48V 1000W rear hub wheel, PAS sensor, thumb throttle, controller bag, and two-year warranty.

A 48V, 1000W brushless gearless rear hub motor rated at 440 RPM anchors this Jeaieaiu conversion kit, giving 26-inch bike owners an electric wheel option with pedal assistance and thumb-throttle controls listed. The components also include a flywheel and controller bag, offering useful clues about the kit’s conversion workflow.

The 26-inch wheel size and rear-hub format focus this kit on a specific wheel category, while the 48V, 1000W motor rating describes its electrical setup. A pedal-assist sensor and thumb throttle provide two named riding inputs, and the included flywheel is another specified component. The controller bag offers a place for a controller, but the included-components list does not name a controller itself. Seven speeds and linear-pull brake style are also listed for bike planning.

Skip it if you need a listed 48V controller included; Bdujhit’s 20-inch 1500W rear hub kit specifies one.

This is for a 26-inch bike owner wanting a 48V rear hub conversion with both pedal-assist sensing and a thumb throttle. Note that the listed components include a controller bag but do not name the controller itself.

Listed on Amazon as: 26-Inch Electric Bike Conversion Kit, 48V 1000W Brushless Gearless Rear Hub Motor (440 RPM), with PAS Sensor, Thumb Throttle, and Controller Bag—Ideal for Road, Mountain, and Commuter Bikes (DIY)

#7

7. Mahugde 48V 1000W Kit

• Weight: 22.9 lb
• Warranty Description: 1

Best for: 26-inch electric hub-wheel upgraders.

Why it ranks #7: Its 48V 1000W rear hub conversion is specifically listed for a 26-inch wheel and includes a thumb throttle and pedal-assist sensor.

A 48V, 1000W rear hub motor wheel is the defining feature of this Mahugde electric conversion kit, giving owners of 26-inch bikes a wheel-based alternative to a gasoline engine conversion. The listed package includes one motor wheel, and the product specifies an aluminum frame and aluminum-magnesium-alloy wheel.

The 26-inch wheel size and rear-wheel hub-motor format make wheel fit the first practical consideration for this conversion. Its 1000W rating identifies the motor’s stated power, while the aluminum-magnesium-alloy wheel material describes the supplied motor wheel. The included-components list names one motor wheel, so buyers should plan their conversion around that documented component rather than assume a complete collection of controls or other parts. A coaster brake style is also listed, making brake configuration relevant to the bike choice.

Skip it if you need the listed PAS sensor, thumb throttle, and controller bag together; Jeaieaiu’s 26-inch 48V kit names those components.

Consider this for a 26-inch bike owner seeking a 48V, 1000W rear hub-motor wheel and whose setup suits the listed coaster-brake style. The supplied component list names the wheel only, so account for that scope when planning the conversion.

Listed on Amazon as: Electric Bike Conversion Kit, 48V 1000W 26" E-Bike Hub Motor Wheel Kit Rear Wheel Powerful Motor with Thumb Throttle and Pedal Assistant Sensor, E-Bike Hub Motor Conversion Kit for 26 Inch Bike

#8

8. Bdujhit 48V 1500W Kit

Best for: 20-inch electric commuters and snow-bike builders.

Why it ranks #8: The electric kit pairs a 48V 1500W rear hub with a 20-inch wheel, PAS sensor, and LCD display, suiting a smaller-wheel electric build.

A 48V, 1500W rear hub motor paired with a 20-inch wheel heads this Bdujhit kit, giving conversion shoppers a defined wheel size and motor rating for commuting or short-distance cycling. Its listed PAS sensor and LCD display add pedaling assistance and ride information to the conversion setup.

The 20-inch rear wheel and 48V, 1500W brushless gearless motor define the core conversion, while the product lists seven gears for the wheel setup. A PAS sensor supports pedal-assist use, and an LCD display adds ride information. The supplied details also specify a 48V, 1500W controller and a maximum load capacity of about 330.69 pounds. With efficiency stated as over 82%, the kit gives buyers several concrete operating specifications to consider.

Skip it if you need a 20-by-4-inch wheel format and fixed-speed cruise; HuaShuani’s 48V 2000W kit lists both.

This fits a builder seeking a 20-inch rear-wheel electric conversion with PAS, an LCD, and a specified controller for commuting or short trips. Its 20-inch wheel size is the main fit boundary to resolve before choosing it.

Listed on Amazon as: Electric Bicycle Conversion Kit, 48V 1500W Ebike 20" Rear Hub Motor Wheel Kit with PAS Sensor & LCD Display, 7 Gears Electric Snow E-Bike Conversion Kit, Upgrade Brushless Gearless Hub Motor Kit

#9

9. HuaShuani 48V 2000W Kit

• Weight: 27.2 lb
• Warranty Description: 30 Days

Best for: Wide-tire 20-by-4-inch e-bike builders.

Why it ranks #9: This 2000W electric hub kit is limited to 20-by-4-inch wheels and lists an LCD display, five speed gears, and fixed-speed cruise.

A 48V, 2000W rear hub motor specified for 20-by-4-inch wheels defines this HuaShuani electric conversion kit, with a listed no-load speed of 34 mph. Its LCD reports power, speed, mileage, faults, voltage, and current, giving riders several operating readings at a glance.

The 20-by-4-inch wheel specification narrows the kit to that wheel format, while its 2000W motor and 550 rpm rotation speed identify the stated drive figures. Five adjustable speed gears allow riders to select among the listed settings, and fixed-speed cruise adds a distinct operating mode. The LCD’s power, speed, mileage, fault, voltage, and current displays support in-ride monitoring. The listed 34 mph figure is a no-load speed, not a stated loaded riding speed.

Skip it if you need a 26-inch rear hub wheel; Jeaieaiu’s 48V 1000W kit lists a 26-inch wheel size.

This suits a builder converting a bike that takes 20-by-4-inch wheels and who values the listed LCD readings, five speed gears, and cruise function. Treat the 34 mph figure as no-load, not a loaded-speed claim.

Listed on Amazon as: Electric Bike Conversion Kit, 48V 2000W Electric Bicycle Rear Wheel Hub Motor Kit for 20 4 inche Wheel Sizes, 5-Speed Gears, Fixed-Speed Cruise, LCD Display, Intelligent PAS Sensor

#10

10. FONSOLUM 24V 250W Kit

• Weight: 7.5 lb

Best for: Lightweight low-voltage chain-drive converters.

Why it ranks #10: Its 24V 250W chain-drive motor is listed for 16–28-inch wheels, but it is an electric retrofit rather than a conventional gasoline engine kit.

This FONSOLUM kit pairs a 24V, 250W brushed motor with a chain-drive conversion layout, giving DIY builders a compactly specified electric alternative to a hub-wheel swap. Its listed fit covers 16–28-inch wheels and standard 0.87-inch handlebars, while the package names the controller and mounting hardware.

The 16–28-inch wheel range and standard 0.87-inch handlebar fit make wheel and grip dimensions practical starting checks for this conversion. The chain, freewheel, adapter, motor controller, and mounting plate are listed alongside the 24V, 250W DC motor, supporting a chain-drive installation workflow rather than a motor-wheel replacement. An accelerator handle and left handle sleeve are included for the controls. The listed motor and components weigh 7.5 pounds, with a 4.92-foot cable length also supplied.

Skip it if you need a higher stated motor rating; Mahugde’s 26-inch rear-wheel hub kit lists a 48V, 1000W motor.

This is suited to a DIY converter whose wheel and handlebar dimensions fall within the stated ranges and who wants a chain-drive layout with named installation parts. Its 24V, 250W motor is the key boundary for power-focused buyers.

Listed on Amazon as: Electric Bicycle Motor Kit, 24V 250W E-Bike Conversion Kit, Electric Bicycle Retrofit w/Brushed Controller, DIY Powerful Electric Scooter Motor Kit Chain Drive Convert for 16-28''Wheel