Bafang Automatic Shift Rear Hub

The Bafang A510 is a truly remarkable automatic shifting hub that has precise shift points. NO additional shifter or cables. Single speed simplicity with a 30 mph top end speed. Geared to climb with a 1.07 gear ratio and a 315.7% range Built to withstand 200nm of torque the A510 was specifically designed to work with the Bafang 1000w Ultra middrive motor. Custom programmed with a climbing mode to prevent shifting when climbing hills and a stalk mode that limits the motor to gear 1 and 2. The A510 is an amazing advancement in single speed technology. *Available with the purchase of a new bike only**