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.
(Sold in 10mm, Packs of Two)
Wethepeople
Kink
Sunday Bikes
Radio
Cult
Fit
Odyssey
Federal
Eclat
BSD
Meybo
Chase
Vans








