Varstrom Universal Torque Arm
Varstrom universal e-bike torque arm for M12 and M14 axle hub motors. Prevents axle spinout in the frame dropout — a critical safety component for hub motor conversions. Iron and aluminum construction. Can be installed inside or outside the frame/fork. Works with both front and rear hub motor installations. Compatible with Bafang 1000W and other high-speed hub motors.
In brief: Torque arm. Fits M12/M14 axles. From $12.
Specs verified Jun 7, 2026
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