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 correctly, Box Two™ Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be.
Wide Range of Adjustability
Provides Protection for Your Frame Dropouts
Material: 6061-T6 Aluminum
Process: Extruded & CNC Machined
Hardware: Stainless Steel
Finish: Anodized w/Laser-Etched Graphics
Size/Compatibility:
• Axle: 10mm
Adjustability:
• Wheel Position: 30mm
Weight: 55g