• Adjusting chain tension is quick and easy with the new Box Three Chain Tensioner. With a single-hole “lollipop” design, these tensioners reduce weight and help keep your rear wheel locked in place.

New and Improved
20mm of Adjustment
Single Axle Position
Slotted for Dropout
ED Black Hardware
Anodized Finish

Axle Size 10mm (3/8″) only
Material 6061-T6 Aluminum
Hardware
Stainless Steel