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Made of 7075 CNC machined aluminium, the SD-X CNC 7075 chainring is specially designed for serious BMX racing. It is light and stiff for super fast out of the gate accelleration and getting back up to speed out of corners.
- CNC machined 7075-T6 aluminum
- BCD diameter 104mm, 4 bolt
- Weight: 79g (39T)