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The chainring is 44t in this link. Please ingnore the default estimated delivery date. Please feel free to email us if you have any problems. Easy to mounted in the bottom bracket frame. Less energy exercise bike but for fun. We have cooperated with Bafang in the long term. If the product is confirmed as defective, please send it back to us. All guaranteed except physical damage and wrong operation. The bbs bbshd fits 95% of standard bike frames with 68mm bottom bracket.
Providing suitable power. All you need included - mid motor, 44t chainring, throttle, display controller, batteryplease check the size option and all necessary electric bike conversion mounting accessories and parts are included. Please check the packing list image. Please measure your bike bottom bracket length and diameter. A win win exercise that seeing the outside world and very much enjoying your commute to work, save your fuel cost and car parking.

If you need bb 100mm 120mm mid motor please email us. Less energy exercise bike but for fun. We are always online to support you. Zero-emissions vehicle. We will exchange it to brake sensors for free once we received your requirements. Please send it to us for repair if the controller has problems. We have a uk and eU technical team that offers the best customer support. Please feel free to email us if you have any problems.
We ship the brake levers by default. We have cooperated with Bafang in the long term. If the product is confirmed as defective, please send it back to us. All guaranteed except physical damage and wrong operation. Providing suitable power. Please check the packing list image. Silent motor so you can hear just the wind when driving.

Two riding mode - electric bikes & pedal bicycle, faster traffic & physical exercise can be achieved at the same time. Easy installation - can be successfully installed into an electric bicycle in just a few time by only a few tools which can remove the crankset and the center shaft, as well as tools for installing this mid-drive motor. Shipping & warranty - we have warehouses in the eu, and usually deliver to most UK addresses except islands within 12-20 days. And you can choose different specifications of the motor battery kit according to your needs, or a separate motor kit.
Not recommended to apply this motor to bikes with carbon fiber frame in case of damaging the frame. If you're very care about that, we highly recommend you purchase 52v battery, we have fully upgraded the battery, Therefore, there will be a case about battery power where the display shows is not fullthe percentage shows between about 79% to 84%, large capacity lithium battery 52VAH.1 year warranty please do not replace the connectors yourself, especially the battery connectors, Bafang will not provide warranty services. 24-hour online service.

Packing list & note optional motor, 1t4 cable, 44t chainring with chain guard for bBS motor as default 46T chainring without chain guard for HD 1000W motor as defalut, thumb throttle, speed sensor, cranks, hydraulic brake sensors, crank extractor and gloves. Before purchasing, please contact us to get spacers. Some monitors cannot select the 52V setting, will shows 48V parameter.
Fast shipping & responsible customer service eu address except for island will receive the parcel about 7-10 days. We're not recommend to program motors, but the motor works fine. There are 3 cycling modes for the mid-drive motor : Throttle, not Coaster Brake. Notice to customers 48v 1000w motor has 48v controller and 48v 1000w motor with 52v controller. Please be sure to understand the local traffic laws and regulations before placing an order.

Easy to install - easiest diy electric bike conversion kit. Fast delivery - ship within 1-3 days ordinarily after ordered, deliver to most of EU/UK address in 1-5 business days. We are always online to support you. Comes with all special tools you may need except ordinary tools. Providing suitable power. A win win exercise that seeing the outside world and very much enjoying your commute to work, save your fuel cost and car parking.
We have cooperated with Bafang in the long term. If the product is confirmed as defective, please send it back to us. All guaranteed except physical damage and wrong operation. Compatible with varieties- smaller size but suitable for mountain bike, road bike, commuter bike. Please feel free to email us if you have any problems. Please check the packing list image.

Great ridingthis motor’s max speed can reach 45km/h. It is enough for most people's riding needs. And 2 cycling modes for you to choose: Pure Electric, and Pedal Assisting. With this kit, you can enjoy your riding and have a happy time. Universal compatibilitythis kit is 750w mid drive motor kit, suitable for 68-73mm BBS, road bike, please confirm your own bike’s bottom bracket size. And this kit is compatible with most bikes no matter your bike is MTB, commuter bike, etc.
Besides, screws, a free gift bag :head light, 1T4 wire, display, nuts, 10 zip ties, tool, cranks, 250W sticker, battery&chargeroptional, conduit. Easy installationif you are struggling with your first DIY, please choose us. We can provide you a video to see the assembly details so you can install it easily with our kit which includes all necessary accessories you need.

This kit is designed to fit a standard 68-73mm bottom bracket. Highly strong and efficient the favorites of riders who love challenges as well as transport bikes. E-bike & assisted bicycle, you can choose the E-bike to enjoy a long time travel, and also exercise. Universal compatible:bafang bbshd mid drive motor kit is compatiable with fatbike, mountain bike, road bike and so on. 1-years warranty. 100% satisfied warranty we offer you 100% risk-free satisfaction guarantee to let you buy with confidence. Easy to install: easily convert your pedal bike into a motorized bike within 1 hour.

Please feel free to email us if you have any problems. An eco-friendly new way of riding high-end hybrid electric bike for women men. Please contact us if you don't know how to install it. Please email us in time after placed an order if you need brake sensors. We have a uk and eU technical team that provides the best customer support. Eco-friendly riding motor kit - new riding, more saving. All you need included - mid motor, throttle, display controller, battery and all necessary electric bike conversion mounting accessories and parts are included.
We will exchange them for brake sensors free of charge once we receive your requirements. An electric bike motor is powered by a usually lithium-ion battery. Please ignore the standard estimated delivery date. Please send it to us for repair if the controller has any problems. For example, 48v motor matches with 48v battery.

Warranty--the battery warranty time is 12 months after delivered. Built-in smart bms can offer overvoltage, overcharge, overcurrent, so that your safety is not threatened. Safe and environmental-friendly--the battery cell uses lithium-ion environmental protection materials, overdischarge, overload, short circuit protection, No heavy metals and hazardous substances. And this li-ion battery is waterproof and sand-protection, you don't have to worry about it in riding.
In addition, anti-theft safety lock can prevent the battery from being lost or stolen. Long battery life--using high-quality lithium ion battery cells, life expectancy is two times than that of lead-acid batteries. Weight is more lighter, combined with high-strength BMS protection board, battery charge and discharge cycle is over 2000 times, no memory effect and rechargeable. It can save battery power. Easy to use--come with the mounting plate and wires, easy to install and disassemble.

Will send mechanical brake levers for V Brake as default, leave us a message about your requirements. Please download the document of bottom bracketCompatibility Guide and downtube battery size diagramSize Guide on the product page, not fits for Drive Belt System. Not recommend install it on Carbon Fibre bike in case of damage the frame. Include the user manual to teach you how to install, but original sprocket is highly recommended. If display and other accessories beyond the warranty period, shipping costs for replacement parts are at the customer's expense.
The package does not include the gear shift sensor, does not affect the normal operation of the motor. Guarantee & service availablegenerally 3-5 business days fast delivery to your uk addressexcept for islands No extra taxes. Only suitable for Drive Chain System, no wasting your time. Installation requirementfits for v brake and disc brake, the inner diameter of bottom bracket within 34-36mm. Light but strong and efficient.
1. Bafang

BBS01B DIY Pedelec eBike Mid Motor Kit for Adults Women Men, Includes Chainring 44T, Waterproof Display, Thumb Throttle, Bafang Electric Bike Conversion Kit Mid Drive 750W 48V with Battery 17.5Ah
Bafang - 68mm mid motor ebike conveter kit fits on ordinary bike. Easy to install - easiest diy electric bike conversion kit. Comes with all special tools you may need except ordinary tools. Compatible with varieties- smaller size but suitable for mountain bike, commuter bike.The chainring is 44t in this link. Please ingnore the default estimated delivery date. Please feel free to email us if you have any problems. Easy to mounted in the bottom bracket frame. Less energy exercise bike but for fun. We have cooperated with Bafang in the long term. If the product is confirmed as defective, please send it back to us. All guaranteed except physical damage and wrong operation. The bbs bbshd fits 95% of standard bike frames with 68mm bottom bracket.
Providing suitable power. All you need included - mid motor, 44t chainring, throttle, display controller, batteryplease check the size option and all necessary electric bike conversion mounting accessories and parts are included. Please check the packing list image. Please measure your bike bottom bracket length and diameter. A win win exercise that seeing the outside world and very much enjoying your commute to work, save your fuel cost and car parking.
Brand | Bafang |
Manufacturer | BAFANG |
2. Bafang

BB100mm, Road bike, Bafang eBike Conversion Kit Mid Drive Motor 48V 750W with Battery 20Ah for Mountain Bike, Waterproof Mid Motor BBS02 Pedelec DIY Electric Bike Converter for Adults
Bafang - Fast delivery - ship within 1-3 days ordinarily after ordered, deliver to most of EU/UK address in 1-5 business days. Happy time with family and friends. Easy tranform your bicycle into an electric bike.If you need bb 100mm 120mm mid motor please email us. Less energy exercise bike but for fun. We are always online to support you. Zero-emissions vehicle. We will exchange it to brake sensors for free once we received your requirements. Please send it to us for repair if the controller has problems. We have a uk and eU technical team that offers the best customer support. Please feel free to email us if you have any problems.
We ship the brake levers by default. We have cooperated with Bafang in the long term. If the product is confirmed as defective, please send it back to us. All guaranteed except physical damage and wrong operation. Providing suitable power. Please check the packing list image. Silent motor so you can hear just the wind when driving.
Brand | Bafang |
Manufacturer | BAFANG |
3. Bafang

Bafang Electric Bikes Conversion kit 48V 750W Display C18 BBS02B BBSHD E-bike Mid Drive Motor kit with Down Tube 48V17.5Ah Battery Optional
Bafang - Suitable for mountain bike, road bike, you can choose the specifications according to the length of the bottom bracket of the bicycle, commuter bike. Notice:the bbshd 48v 1000w 68mm and 120mm motor with 48v battery, we have standard capacity lithium battery 52v16ah, but your battery is actually full.Two riding mode - electric bikes & pedal bicycle, faster traffic & physical exercise can be achieved at the same time. Easy installation - can be successfully installed into an electric bicycle in just a few time by only a few tools which can remove the crankset and the center shaft, as well as tools for installing this mid-drive motor. Shipping & warranty - we have warehouses in the eu, and usually deliver to most UK addresses except islands within 12-20 days. And you can choose different specifications of the motor battery kit according to your needs, or a separate motor kit.
Not recommended to apply this motor to bikes with carbon fiber frame in case of damaging the frame. If you're very care about that, we highly recommend you purchase 52v battery, we have fully upgraded the battery, Therefore, there will be a case about battery power where the display shows is not fullthe percentage shows between about 79% to 84%, large capacity lithium battery 52VAH.1 year warranty please do not replace the connectors yourself, especially the battery connectors, Bafang will not provide warranty services. 24-hour online service.
Brand | Bafang |
Manufacturer | BAFANG |
4. Bafang

Bafang Mid Drive Motor Kit 250W 350W 500W 750W 1000W BBS01B BBS02B G340 BBS-HD G320 36V 48V 52V, Electric Bike Conversion Kit with Max Downtube Battery 18Ah 19.2Ah 20Ah 25Ah
Bafang - We have professional techs in UK that can give you technical support and help you fix the problem. Three modes perfectly satisfy your different needs. Gifts include headlight, email us after your purchase. If your bottom bracket is 90-99mm or 110-119mm, please download the size guide to measure the distance between the bottom bracket and chain stay, please make sure bottom bracket is 68/100/120MM, inner diameter should be 34MM.Packing list & note optional motor, 1t4 cable, 44t chainring with chain guard for bBS motor as default 46T chainring without chain guard for HD 1000W motor as defalut, thumb throttle, speed sensor, cranks, hydraulic brake sensors, crank extractor and gloves. Before purchasing, please contact us to get spacers. Some monitors cannot select the 52V setting, will shows 48V parameter.
Fast shipping & responsible customer service eu address except for island will receive the parcel about 7-10 days. We're not recommend to program motors, but the motor works fine. There are 3 cycling modes for the mid-drive motor : Throttle, not Coaster Brake. Notice to customers 48v 1000w motor has 48v controller and 48v 1000w motor with 52v controller. Please be sure to understand the local traffic laws and regulations before placing an order.
Brand | Bafang |
5. Bafang

Waterproof Mid Motor Pedelec DIY ebike Converter with Display Controller, BAFANG Electric Bike Conversion Kit Mid Drive Motor 750W 48V Rechargeable Battery 17.5Ah BBS02B for Mountain Road bike, BB68mm
Bafang - The voltage of the motor needs to match the voltage of the motor. We ship the brake levers by default. An eco-friendly new riding way of high end hybrid electric bicycle. All you need included - mid motor, display controller, throttle, battery and all necessary electric bike conversion mounting accessories and parts are included.Easy to install - easiest diy electric bike conversion kit. Fast delivery - ship within 1-3 days ordinarily after ordered, deliver to most of EU/UK address in 1-5 business days. We are always online to support you. Comes with all special tools you may need except ordinary tools. Providing suitable power. A win win exercise that seeing the outside world and very much enjoying your commute to work, save your fuel cost and car parking.
We have cooperated with Bafang in the long term. If the product is confirmed as defective, please send it back to us. All guaranteed except physical damage and wrong operation. Compatible with varieties- smaller size but suitable for mountain bike, road bike, commuter bike. Please feel free to email us if you have any problems. Please check the packing list image.
Brand | Bafang |
Manufacturer | BAFANG |
6. DERUIZ

BAFANG 750W Mid Drive Motor Electric Bike Conversion Kit 48v 750w Mid Drive Motor E-bike Kits with Optional Lithium Battery 48v/52V for City Bike Mountain Bike, Road bike,BB68mm
DERUIZ - Complete kitbbs02b 750w mid-drive motor, speed sensor, chain wheel, brake sensor/lever. Please note: before you buying, please confirm your bottom bracket size is 68mm. If you don’t know how to measure and choose,please contact us.Great ridingthis motor’s max speed can reach 45km/h. It is enough for most people's riding needs. And 2 cycling modes for you to choose: Pure Electric, and Pedal Assisting. With this kit, you can enjoy your riding and have a happy time. Universal compatibilitythis kit is 750w mid drive motor kit, suitable for 68-73mm BBS, road bike, please confirm your own bike’s bottom bracket size. And this kit is compatible with most bikes no matter your bike is MTB, commuter bike, etc.
Besides, screws, a free gift bag :head light, 1T4 wire, display, nuts, 10 zip ties, tool, cranks, 250W sticker, battery&chargeroptional, conduit. Easy installationif you are struggling with your first DIY, please choose us. We can provide you a video to see the assembly details so you can install it easily with our kit which includes all necessary accessories you need.
Brand | DERUIZ |
Manufacturer | deruizebike |
Part Number | 2750C850 |
7. Bafang

BAFANG BBS02B 48V 750W Ebike Motor with LCD Display 8fun Mid Drive Electric Bike Conversion Kit with Battery 500C Display, 750W Motor+44T Chainring
Bafang - Complete accessories comes with all necessary accessories:mid-drive motor BBS02B 48V 750W, chainring wheel, thumb throttle, 12Ah battery and charger optional, LCD display, brake lever, 1T4 wire, crank, speed sensor and magnets, nuts.This kit is designed to fit a standard 68-73mm bottom bracket. Highly strong and efficient the favorites of riders who love challenges as well as transport bikes. E-bike & assisted bicycle, you can choose the E-bike to enjoy a long time travel, and also exercise. Universal compatible:bafang bbshd mid drive motor kit is compatiable with fatbike, mountain bike, road bike and so on. 1-years warranty. 100% satisfied warranty we offer you 100% risk-free satisfaction guarantee to let you buy with confidence. Easy to install: easily convert your pedal bike into a motorized bike within 1 hour.
Brand | Bafang |
Manufacturer | Bafang |
Weight | 11.02 |
Part Number | BBS02W-48V-750W-44T-500C |
8. Bafang

BBS02B Pedal Assist Motor Pedelec DIY eBike Kit for Men Women,BB68mm, Bafang 750W 48V Electric Bike Conversion Kit Mid Drive Motor 17.5Ah Rear Rack Battery with Taillight for Mountain Road bike
Bafang - The bbs bbshd/bbs03 fits 95% of standard 68mm bottom bracket bicycle frames. Please measure the length and diameter of the bottom bracket of your bike. A win-win exercise to see the outside world and very much enjoy your commute to work, save your fuel costs and parking.Please feel free to email us if you have any problems. An eco-friendly new way of riding high-end hybrid electric bike for women men. Please contact us if you don't know how to install it. Please email us in time after placed an order if you need brake sensors. We have a uk and eU technical team that provides the best customer support. Eco-friendly riding motor kit - new riding, more saving. All you need included - mid motor, throttle, display controller, battery and all necessary electric bike conversion mounting accessories and parts are included.
We will exchange them for brake sensors free of charge once we receive your requirements. An electric bike motor is powered by a usually lithium-ion battery. Please ignore the standard estimated delivery date. Please send it to us for repair if the controller has any problems. For example, 48v motor matches with 48v battery.
Brand | Bafang |
Manufacturer | BAFANG |
9. ebikefans

48V24.5Ah, Bafang BBS01B BBS02B 250W/350W/500W/750W Mid Drive Electric Bike Motor Ebike Conversion Kit with Battery Mid Motor for MTB Road Bike Lithium Battery
ebikefans - Make full use of the battery, the self-discharge rate does not exceed 3%. When the battery is not used, and the discharge efficiency can reach 95%. Any questions, please contact us by email. High discharge efficiency--the battery can work at a temperature of -20~60°c, and the riding distance is longer.Warranty--the battery warranty time is 12 months after delivered. Built-in smart bms can offer overvoltage, overcharge, overcurrent, so that your safety is not threatened. Safe and environmental-friendly--the battery cell uses lithium-ion environmental protection materials, overdischarge, overload, short circuit protection, No heavy metals and hazardous substances. And this li-ion battery is waterproof and sand-protection, you don't have to worry about it in riding.
In addition, anti-theft safety lock can prevent the battery from being lost or stolen. Long battery life--using high-quality lithium ion battery cells, life expectancy is two times than that of lead-acid batteries. Weight is more lighter, combined with high-strength BMS protection board, battery charge and discharge cycle is over 2000 times, no memory effect and rechargeable. It can save battery power. Easy to use--come with the mounting plate and wires, easy to install and disassemble.
Brand | ebikefans |
Manufacturer | Bafang |
Height | 14.1 cm (5.55 Inches) |
Length | 36.7 cm (14.45 Inches) |
Weight | 5.55 |
Width | 9 cm (3.54 Inches) |
10. Bafang

Optional Downtube Battery, Bafang BBS02B 48V 750W Mid Drive Motor Kit Electric Bike Conversion Kit for Mountain Bike Road Bike, Triangle Battery, Rear Rack Battery
Bafang - Select bbs 44t/46t/48t/52t chainwheel in size selection, it need to be purchase separatelyCan install gear shift sensor or nor, the package does not include the battery and charger. 36t chainwheel without chain guard can be selected, except axle removal tool.Will send mechanical brake levers for V Brake as default, leave us a message about your requirements. Please download the document of bottom bracketCompatibility Guide and downtube battery size diagramSize Guide on the product page, not fits for Drive Belt System. Not recommend install it on Carbon Fibre bike in case of damage the frame. Include the user manual to teach you how to install, but original sprocket is highly recommended. If display and other accessories beyond the warranty period, shipping costs for replacement parts are at the customer's expense.
The package does not include the gear shift sensor, does not affect the normal operation of the motor. Guarantee & service availablegenerally 3-5 business days fast delivery to your uk addressexcept for islands No extra taxes. Only suitable for Drive Chain System, no wasting your time. Installation requirementfits for v brake and disc brake, the inner diameter of bottom bracket within 34-36mm. Light but strong and efficient.
Brand | Bafang |
Manufacturer | Bafang |
Weight | 4.3 kg (9.48 Pounds) |
Part Number | BBS02B48V750W |