Really are you sure? your bike should have torque arms already
Torque arm on the Rad Rover 5, It also doubles to keep the wheel from dropping out if ya forget to tighten the axle nut
The axle is flat on 2 sides
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Notice the little torque washer with the tab on it that hold the axle, also prevents ya from putting the axle in wrong or backwards because it won't fit correctly in tandem with the torque arm if it's installed upside down
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The deralieur is the torque arm on the other side
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It also has a washer with a tab on it
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