Bafang BBS01B 36V 250W Mid Drive Motor Kit Electric Bike Conversion Kit for Mountain Bike Road Bike, Optional Downtube Battery, No Battery

【Mid Motor System】BBS01B 36V 250W G340 M215 Series mid motor built-in speed sensor, max torque 80Nm, delivers more reinforce to your ride. Cost effective, maintenance-friendly. Suitable for mountain bike, road bike, commuter bike. Not recommend install it on Carbon Fibre bike in case of damage the frame. With three modes, Electric Mode, Pedal Help mode and Normal Bike, meets day-to-day commuting needs
【Installation Requirement】Fits for V Brake and Disc Brake, not fits for Coaster Brake. Only suitable for Drive Chain System, not fits for Drive Belt System. Compatible with frames with 68-73MM bottom bracket length, the inner diameter of bottom bracket within 34-36mm. Please download the document of bottom bracket(Compatibility Guide) and downtube battery size diagram(Size Guide) on the product page, easy to check if bafang mid motor fits for your bike, no wasting your time
【Easy Installation】All necessary installation accessories are included, aside from axle removal tool. Please refer to the picture of the package list. Include the user manual to teach you install, easily found some installation videos on social media. Will send mechanical brake levers for V Brake as default, if need hydraulic brake sensors for Disc Brake, leave us a message about your requirements. 36T chainwheel without chain guard may also be selected, but original sprocket is highly really useful
【Service To be had】No extra taxes. If display and other accessories beyond the warranty period, shipping costs for replacement parts are on the customer’s expense. We now have tech reinforce in UK. 24 hours online service