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.

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

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