Bafang BBS01B 36V 250W 350W Mid Drive Motor Electric Bike Conversion Kit BBS02B 36V 500W Ebike Conversion Kit for Mountain Bike Road Bike, Optional Downtube Battery, Rear Rack Battery

【Mid Motor System】BBS01B 36V 250W 350W BBS02B 500W G340 M215 M315 Series mid drive motor built-in speed sensor, max torque 80/80/100Nm, delivers more strengthen 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 Assist mode and Normal Bike, meets daily 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, apart from axle removal tool. Please refer to the picture of the package list. Include the user manual to teach you how to 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
【Guarantee & Service To be had】In most cases 3-5 days fast delivery to your UK address(apart from for islands) No extra taxes. One year warranty for the battery and motor, display and other accessories six month warranty. If display and other accessories beyond the warranty period, shipping costs for replacement parts are at the customer’s expense. We have tech strengthen in UK. 24 hours online service
【Notice to Customers】Mid motor kits requires display to works normal, just Make a choice your favourite display in Color selection. Make a choice motor kits only in Size selection, the package does not include the battery and charger. The package does not include the gear shift sensor, it want to be purchase one by one(Can install gear shift sensor or nor, does not impact the normal operation of the motor)