
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From pswpower The popular Gearsensor (for derailleurs)used with the Bafang mid drives BBS01/02 and BBSHD tocut motor power while shifting. Connects into one of the brake connectors or, on some of the newer Bafang mid drives, an extra 4th cable from the controller. Stops heavy torque “slamming” of the chain. Package include: 1 pcsGear Sensor doesn't include Y-SPLITTER 1T2 cable and electric bike brakewindow.adminAccountId=221404875;