Bafang BBS01B 36V 250W Middle Motor Kit EBike Conversion Kit Electric Bicycle Motor E-Bike Conversion Kit, Optional Frame Battery, Max Downtube Battery, Pannier Rack Battery

Middle motor system: BBS01B 36 V 250 W G340 M215 series mid-motor built-in speed sensor, maximum torque 80 Nm, provides more enhance for your ride. Cost-effective, maintenance-friendly. Suitable for mountain bike, road bike, commuter bike. It’s not beneficial to install it on a carbon fibre bicycle as the frame may be damaged. With three modes, electric mode, pedal assist mode and normal bike, meets the daily commuter needs.
Installation requirements: Suitable for V-brake and disc brake, not suitable for backpedal brake. Only suitable for drive chain system, not suitable for drive belt system. Compatible 68-73 mm bottom bracket length, inner diameter of the bottom bracket within 34-36 mm. Load the bottom bracket document (compatibility guide) and down tube battery size chart (size guide) on the product page, easy to check if it fits your bike, no waste of your time.
【Easy Installation】All necessary installation accessories are included, with the exception of axle removal tool. Please refer to the picture of the package list. Easy to find some installation videos on social media. We send hydraulic disc brake sensors as standard, if you want mechanical brake levers for V-brake, please let us email about your requirements. 36T chain ring without chain guard may also be changed.
Note for customers: Mid motor kits require display to work usually, simply Make a selection your favourite display in the colour selection. Make a selection BBS 44T/46T/48T/52T chain wheel in size selection, the package does not include the battery and charger. The package does not contain the gear shift sensor, it should be purchased one after the other (may also be installed gear shift sensor or still has no effect on the normal operation of the motor)