Box Chain tensioner One Pro

Made from heavy-duty 7075 aluminum, BOX One chain tensioners are designed for wheels with 10mm axles and classic dropouts. They prevent derailment during acceleration at BMX. The 2 mounting holes and screw tension adjustment allow even more precise adjustment of chain tension thanks to the control markings.

CHARACTERISTICS:
- CNC-machined 7075-T6 aluminum
- Axle: 10mm
- 2 mounting holes
- 45 mm adjustment
- Single screw adjustment with locknut
- Weight: 62g
- Sold in pairs

COMPATIBILITY:
- All classic frames with open dropouts