Ever dreamt of cruising up hills without breaking a sweat? Imagine your trusty bicycle suddenly tackling long commutes with ease. That dream is closer than you think with a bike motor kit! But then you start looking, and suddenly you’re swimming in technical terms and endless choices. Which kit is right for your bike? How much power do you really need? These questions can make upgrading your ride feel more like a chore than an adventure.
Don’t let the confusion stop your pedal-powered progress! This guide cuts through the noise. We break down everything you need to know about bike motor kits. You will learn the key features to look for, the different types available, and how to pick the perfect match for your riding style and budget. Get ready to transform your cycling experience without the guesswork.
Top Bike Motor Kit Recommendations
- 【Installation Notes】The rider will need basic hardware skills and tools, and about 2-4 hours of installation and fine tuning. If you are inexperienced or installing engine kit for the first time, please read our instructions and search "IMAYCC Bicycle Engine Kit" on Youtube before installation, it will give you a great help and solve a lot of problems during installation
- 【100cc Bicycle Engine Kit】Come with a complete engine kit, 2-stroke single cylinder gasoline engine, the engine power/speed is 2kw/6500rpm, so you can enjoy a faster riding speed, the upgraded bicycle has better durability and supports long-distance riding, make it easier to use outdoors
- 【100cc Bike Motor Kit】Engine type: single-cylinder, air-cooled, two-stroke, starting method: foot pedal starting, Ignition method: CDI ignition, number of sprocket teeth: 44 teeth, number of chain teeth: 110 knots, Spokes: 36
- 【Bicycle Motor Compatibility】IMAYCC bike engines are suitable for most 26-28" wheeled bikes (mountain bikes, cruisers, motorcycles, road bikes) with V-frames. There should be 10" and more clearance between the bottom bracket and top bar of the frame, especially 26" bike. Please confirm the installation space in advance, alternatively visit the ‘Contact Seller'
- 【3L Black Teardrop Fuel Tank】Fuel type: 90#, Mixing Ratio of Fuel and engine oil: 16:1 for new equipment, 20: 1 the run-in period (after running 500km). Driving on a smooth road with a speed of 35-40km/h and a maximum speed limit of 50km/h, the fuel consumption is 2.5L per 100km
- 【DIY-Friendly Installation with Support】The rider will need basic tools and mechanical aptitude, and about 2-4 hours of installation and fine tuning. We strongly recommend reviewing our detailed instructions and searching "IMAYCC 80cc bicycle engine kit" on YouTube before starting. This prep work significantly smoothens the process and helps avoid common installation hurdles
- 【Power Up Your Ride: 80cc Performance】Experience the thrill of enhanced speed and range. Come with a complete 80cc 2-stroke engine kit, delivering power/speed (2.1Kw/5000rpm), converting your standard bicycle into a durable, long-distance capable machine. Perfect for extending your outdoor adventures and commuting with ease
- 【Engine Specs & Components】Engine type: single-cylinder, air-cooled, 2-stroke engine with CDI ignition and foot pedal start. Kit includes a rugged 44-tooth drive sprocket, 110 knots chain teeth, and 36-spoke wheel for strength. Engineered for consistent performance
- 【Broad Bike Compatibility】 Designed to fit most common 26-28" wheel bicycles featuring a V-frame design (ideal for Mountain, Cruiser, Road styles). Critical Requirement: Ensure at least 10 inches of clearance between your bike's bottom bracket and the top bar for proper fitment
- 【2.5L Black Teardrop Fuel Tank】For optimal performance and engine longevity: Use 90# fuel mixed 16:1 (fuel:oil) initially, shifting to 20:1 after the 500km break-in period. Driving on a smooth road with a speed of 20-25km/h, the fuel consumption is 2-2.5L per 100km
- 2000W Brushless Power, 60 Nm Torque: Drop-in 29" rear wheel delivers 560 rpm and hill-climbing torque—no more pushing up grades—this 2000W electric bike conversion kit turns your road bike into a freeway-capable e-bike.
- 72V System, 7-Speed Freewheel: Pair with your own 72V battery (not included) and use the indexed 7-speed to cruise or sprint—your 29 inch ebike conversion kit offers both commuter torque and weekend speed.
- LCD + 9-Level Assist + Cruise: Speed, mileage, fault codes at a glance; 9-level pedal assist plus cruise control—set it and coast—this 72V 2000w brushless motor kit gives you motorcycle convenience on a bicycle budget.
- 29" Wheel, 39 mm Width, Drop-In Ready: Pre-installed 7-speed freewheel and disc-brake rotor—bolt on, connect three plugs, ride—your electric bike conversion kit 29 inch wheel arrives road-ready in under an hour.
- Controller Bag + Power-Off Brake Levers: Alloy controller box keeps wires tidy; brake levers cut motor instantly—perfect when you descend switchbacks with this electric bike conversion kit with controller bag on a camping trip.
- 【Installation Notes】The rider will need basic hardware skills and tools, and about 2-4 hours of installation and fine tuning. If you are inexperienced or installing engine kit for the first time, please read our instructions and search "IMAYCC 80cc bicycle engine kit" on Youtube before installation, it will give you a great help and solve a lot of problems during installation
- 【80cc Bicycle Engine Kit】Come with a complete engine kit, 2-stroke 80cc single cylinder gasoline engine, wired digital computer, the engine power/speed is 2.1Kw/5000rpm, so you can enjoy a faster riding speed, the upgraded bicycle has better durability and supports long-distance riding, make it easier to use outdoors
- 【80cc Bike Motor Kit】Engine type: single-cylinder, air-cooled, two-stroke. Starting method: foot pedal starting. Ignition method: CDI ignition. Number of sprocket teeth: 44 teeth. Number of chain teeth: 110 knots. Spokes: 36
- 【Bicycle Motor Compatibility】IMAYCC bike engines are suitable for most 26-28" wheeled bikes (mountain bikes, cruisers, motorcycles, road bikes) with V-frames. There should be 10" and more clearance between the bottom bracket and top bar of the frame, especially 26" bike. Please confirm the installation space in advance, alternatively visit the ‘Contact Seller'
- 【2.5L Black Teardrop Fuel Tank】Fuel type: 90#, Mixing Ratio of Fuel and engine Oil: 16:1 for new equipment, 20: 1 the run-in period (after running 500km). Driving on a smooth road at a speed of 20-25Km/h, fuel consumption of 2-2.5L per 100Km
- 44 Tooth Bicycle Engine Kit: Sproket :44 Teeth. The 44 Teeth Bicycle Engine Kit can convert a regular bicycle into a motorcycle AND includes all the parts and accessories. Ideal for upgrading your regular bike to an electric bike.
- Super Fuel-Efficientt: The 100cc motorized bicycle kit is powerful and durable, with a top speed of 48km/h. Low fuel consumption, 150 miles per gallon. Max. Load capacity:200kg（440lb).
- Double Strength and Safety: 4 bolts attach the engine to your bike frame and this Bicycle Motor Kit comes are 8mm vs the standard 6mm. That means the mounts are twice as strong and twice as secure. The aluminum engine body, iron fuel tank, and iron chain have better durability, and when combined with sandblasting, painting, and shot blasting treatment, they can provide stable operation for a long time.
- Complete Bicycle Motor Kit: Our package includes all the parts to convert your bicycle into a motorcycle, meeting your needs with just one purchase! This bicycle engine kit is more suitable for people with lower budgets or only short-term needs for motorcycles.
- Upgraded Tunable High Performance Carburetor: Choke lever on the handlebars, Main jet. (Can be re-jetted), Pilot jet, Copper oil needle , Idle RPM Screw, Idle Air Screw and has an Internal choke circuit that delivers more fuel with the choke on, instead of restricting air. 100CC Bicycle Engine Kit Great for cold weather starts!
- 【Installation Notes】The rider will need basic hardware skills and tools, and about 2-4 hours of installation and fine tuning. If you are inexperienced or installing engine kit for the first time, please read our instructions and search "IMAYCC 80cc bicycle engine kit" on Youtube before installation, it will give you a great help and solve a lot of problems during installation
- 【80cc Bicycle Engine Kit】Come with a complete engine kit, 2-stroke 80cc single cylinder gasoline engine, wired digital computer, the engine power/speed is 2.1Kw/5000rpm, so you can enjoy a faster riding speed, the upgraded bicycle has better durability and supports long-distance riding, make it easier to use outdoors
- 【80cc Bike Motor Kit】Engine type: single-cylinder, air-cooled, two-stroke. Starting method: foot pedal starting. Ignition method: CDI ignition. Number of sprocket teeth: 44 teeth. Number of chain teeth: 110 knots. Spokes: 36
- 【Bicycle Motor Compatibility】IMAYCC bike engines are suitable for most 26-28" wheeled bikes (mountain bikes, cruisers, motorcycles, road bikes) with V-frames. There should be 10" and more clearance between the bottom bracket and top bar of the frame, especially 26" bike. Please confirm the installation space in advance, alternatively visit the ‘Contact Seller'
- 【2.5L Black Teardrop Fuel Tank】Fuel type: 90#, Mixing Ratio of Fuel and engine Oil: 16:1 for new equipment, 20: 1 the run-in period (after running 500km). Driving on a smooth road at a speed of 20-25Km/h, fuel consumption of 2-2.5L per 100Km
- 36 Tooth Bicycle Engine Kit: The 36 Teeth Bicycle Engine Kit can convert a regular bicycle into a motorcycle AND includes all the parts and accessories. Ideal for upgrading your regular bike to an electric bike.
- Super Fuel-Efficientt: The 100cc motorized bicycle kit is powerful and durable, with a top speed of 48km/h. Low fuel consumption, 150 miles per gallon. Max. Load capacity:200kg（440lb).
- Double Strength and Safety: 4 bolts attach the engine to your bike frame and this Bicycle Motor Kit comes are 8mm vs the standard 6mm. That means the mounts are twice as strong and twice as secure. The aluminum engine body, iron fuel tank, and iron chain have better durability, and when combined with sandblasting, painting, and shot blasting treatment, they can provide stable operation for a long time.
- Complete Bicycle Motor Kit: Our package includes all the parts to convert your bicycle into a motorcycle, meeting your needs with just one purchase! This bicycle engine kit is more suitable for people with lower budgets or only short-term needs for motorcycles.
- Upgraded Tunable High Performance Carburetor: Choke lever on the handlebars, Main jet. (Can be re-jetted), Pilot jet, Copper oil needle , Idle RPM Screw, Idle Air Screw and has an Internal choke circuit that delivers more fuel with the choke on, instead of restricting air. 100CC Bicycle Engine Kit Great for cold weather starts!
- 🚵♀️【110cc Bicycle Engine Kit】- Comes with complete engine kit, 2-stroke 110cc single cylinder gasoline engine with wired digital computer, engine power/speed is 3 kW/6000 rpm, let you enjoy faster riding speed, upgraded bike with better durability, support long distance riding, make outdoor use easier.
- 🚵♀️【Sturdy and Durable】- Heavy duty bike engine kit metal engine body for durability. Perfect for most 26" and 28" V-frame bikes, such as mountain bikes, road bikes, commuter bikes and more.
- 🚵♀️【Quiet Operation】- The engine kit has only slight noise and vibration when in use. You can use it in any outdoor environment without worrying about noise interference.
- 🚵♀️【Practical】- The e-bike kit comes with all the hardware you need to make it easier for you to convert your regular bike into an e-bike. Of course, if you just want to ride with your feet, just stop the engine and use the original equipment of your bike.
- 🚵♀️【Easy Installation】- The included product manual contains every detail of the assembly steps. You may need some practical experience and tools, but the installation is not complicated. Our bike engine kit can help you have an electric bike first.
The Ultimate Buying Guide: Choosing Your Perfect Bike Motor Kit
Thinking about giving your trusty bicycle a power boost? A bike motor kit is a fantastic way to make hills easier and longer rides more fun. But with so many options out there, how do you pick the right one? This guide will help you navigate the choices.
Key Features to Look For
When shopping, several important features decide how well the kit works for you.
Motor Type
- Hub Motors: These motors sit inside the center (hub) of your front or rear wheel. They are usually easier to install.
- Mid-Drive Motors: These motors attach near the pedals (crank). They use the bike’s gears, which helps them climb steep hills better.
Power Output (Watts)
Motor power is measured in watts (W). More watts mean more speed and climbing power. For city cruising, 250W to 500W is often enough. If you have many big hills, look for 750W or higher. Remember to check local laws about maximum legal power!
Battery Capacity and Range
The battery determines how far you can ride. Capacity is measured in Amp-hours (Ah). A bigger Ah rating means longer range. Think about your typical ride length. A good battery should last several years before needing replacement.
Controller and Display
The controller manages the power flow. Look for a clear, easy-to-read display that shows your speed, battery life, and pedal assist level. Simple controls make riding safer and more enjoyable.
Important Materials and Construction
The quality of materials directly affects the lifespan and reliability of your kit.
Motor Housing
Most good motors use strong aluminum alloy casings. This material keeps the motor light but protects the internal parts from bumps and rain. Ensure the housing is rated for water resistance (look for an IP rating).
Controller Electronics
High-quality electronics prevent overheating and failure. Well-made kits use reliable wiring and connectors that resist corrosion. Cheap wiring can lead to power issues down the road.
Gearing Components (For Mid-Drives)
If you choose a mid-drive, the gears inside the motor must be tough. Steel components are stronger than plastic ones. Strong internal gears handle the extra torque better.
Factors That Improve or Reduce Quality
Quality isn’t just about the parts; it’s about how everything works together.
Installation Difficulty
A well-designed kit has clear instructions and fits standard bike frames easily. Kits that require special tools or frame modifications often lead to frustration. Good brands offer helpful video tutorials.
Sensor Quality
Most kits use a Pedal Assist Sensor (PAS). High-quality PAS sensors react instantly when you start pedaling, making the power delivery smooth. Cheaper sensors might have a noticeable delay, making the ride feel jerky.
Noise Level
Hub motors are generally quieter than older geared hub motors. Mid-drive motors make a slight whirring sound related to the bike’s chain, but premium brands prioritize quiet operation. Loud motors can ruin a peaceful ride.
User Experience and Use Cases
How you plan to use your bike heavily influences the best kit choice.
Commuting in the City
For flat city commutes, a reliable 250W-500W hub motor kit works perfectly. Focus on ease of installation and good battery range for daily travel.
Hilly Terrain and Off-Roading
If you tackle steep inclines or mountain trails, a mid-drive motor is highly recommended. These motors use your bike’s existing gears to maximize efficiency and torque, allowing you to maintain speed uphill.
Cargo or Heavy Loads
If you carry heavy groceries or children, you need high torque. Look for kits rated 750W or more. Ensure your existing bike frame and brakes can safely handle the extra weight and speed.
10 Frequently Asked Questions About Bike Motor Kits
Q: How hard is it to install a bike motor kit?
A: Installation difficulty varies. Hub motor kits are often simpler, sometimes only requiring you to swap out a wheel. Mid-drive kits require removing the crankset and bottom bracket, which is slightly more complex but manageable for someone comfortable with basic bike maintenance.
Q: Will a motor kit fit my bike?
A: Most kits fit standard bikes, but you must check measurements. For hub motors, measure your wheel size (e.g., 26 inch) and dropout width (the space between the frame forks). For mid-drives, check your bottom bracket width.
Q: Are these kits street legal?
A: This depends entirely on where you live. Many regions limit motor power to 250W and top speed to 15 mph or 20 mph unless you register the bike as a moped. Always check your local traffic laws before purchasing a high-powered kit.
Q: What is the difference between a geared hub and a direct-drive hub?
A: A geared hub uses internal plastic/metal gears to spin the wheel, offering better torque for climbing but sometimes making a slight noise. A direct-drive hub has the motor windings spinning the wheel directly; it is heavier but offers regenerative braking and is generally quieter.
Q: How long does the battery usually last?
A: A quality lithium-ion battery should maintain good performance for about 500 to 1,000 full charge cycles before its capacity noticeably drops. With normal use, this can translate to three to five years of riding.
Q: Do I still have to pedal?
A: Yes, most kits use Pedal Assist System (PAS), meaning you must pedal for the motor to engage. Some kits also offer a throttle, which lets you ride without pedaling, similar to a scooter.
Q: What is “torque”?
A: Torque is rotational force—it is what gets you moving from a stop or powers you up a steep hill. Higher torque means better climbing ability, even if the top speed remains the same.
Q: Can I use my existing bike brakes with the kit?
A: Yes, most kits are compatible with standard rim brakes or disc brakes. However, if you buy a powerful kit, you might want to upgrade to hydraulic disc brakes for better stopping power.
Q: What is the typical weight increase after adding a kit?
A: Kits typically add between 10 to 25 pounds to your bike, mainly due to the motor and the battery. This weight will be noticeable when riding without assistance.
Q: Should I buy a kit or a whole e-bike?
A: Buying a kit is usually cheaper if you already love your current bike frame. It also lets you choose specific components, like a larger battery. Buying a complete e-bike often offers better integration and warranty support.
Melody Smith is a passionate writer, outdoor enthusiast, and camping expert based in the Seattle Metropolitan Area. With a deep love for nature and adventure, she shares her personal experiences, tips, and insights on MyCampingPro.com. A seasoned camper and traveler, Melody combines her creative background in design and writing with her love for the great outdoors, offering practical advice and inspiring stories to help others make the most of their outdoor experiences. When she’s not exploring the wilderness, you can find her painting, collecting vintage treasures, or diving into a good book.