Box Two™ Chain Tensioners let you dial in your chain tension so it's just right.
Two mounting holes provide room for ample adjustment on most frames. When used properly, Box Two™ Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be.
FEATURES
- 30mm of Adjustment
- Dual Axle Position
- Anti-Rust Hardware
- Anodized Finish
