Promax Bike chain tensioner C-1

PROMAX C-1 chain tensioners are designed for wheels with 10mm axles and for classic dropouts. They prevent derailment during acceleration at BMX. The 2 mounting holes and screw tension adjustment enable you to adjust chain tension even more precisely thanks to the control markings.

FEATURES:
- CNC-machined 6061-T6 aluminum
- Axle: 10mm
- 2 mounting holes
- Adjustment by a single screw with lock nut
- Weight: 64g
- Sold in pairs

COMPATIBILITY:
- All classic frames with open dropouts.