TongSheng TSDZ2 36V 250W 350W 48V 500W Torque Sensored DIY eBike Mid Drive Crank Motor Kit Electric Bike Central Motor Conversion Kit 36V 48V Batteries

[Standard Universal]Fits 95% Of Standard Bike Frames With 68-73Mm Bottom Bracket?30% Lighter Than A Bafang Motor For Almost The Same Power Output. [Zero Start Performance]Because The Torque Sensor Can Accurately Detect The Foot Force, And Give It Several Times In Time. It Can Output Accurate Torque Signal When It Is At Rest, With Excellent Zero Start Performance. [Labor/Power-Saving]When Climbing A Hill, It Is As Labor-Saving As Starting. Flat Riding Is Extremely Energy Efficient And Power Saving. [Very Safe]Because The Output Of The Electric Power Is Synchronized With The Pedaling Force, As Long As The Rider Releases The Pedal, The Power Is Cut Off Immediately, And There Is No Need To Install The Electric Brake Brake; When The Crank Is Idling, The Motor Will Not Turn, And The Safety Is Almost Normal. Like A Bicycle. [Perfect Combination]Since The Output Is Proportional To The Output Of The Person, The Coordination Is Good, And It Can Be Said That The Perfect Combination Of People And Machines. The Motor Has An Extra Support Mount - Resulting In A Much More Reliable Install Than A Bafang Bbs Motor.