CHAIN R1 420X134 WORKS CHAIN Seats 15º and 20º for ACL

15º and 20º for ACL injury reduction

New smaller back for better fit

low profile

The parts will also have the oval Preston Petty Product decal on the fender and an extra in the box

CHAIN R1 420X134 WORKS CHAIN Seats 15º and 20º for ACLRenthal R1 Chain is a high performance, lightweight, low friction, non o ring chain specifically engineered for racing at the highest levels. The R1 Chain has high resistance to elongation and severe abrupt stresses encountered in MX and SX racing. This is achieved by manipulating raw material composition to increase tensile strength and yield strength. Each R1 Works Chain features chamfered inner links, extended bushings, shot peened outer plates and