CHAIN R1 520X118 WORKS CHAIN GPX 5.5 Once on your head the

Once on your head the 7

Polisport uses exclusive technologies to make its parts the best and most durable in the market

Great safety and comfort

natural micro-organisms & enzymes

EC/EC-F 21-23

CHAIN R1 520X118 WORKS CHAIN GPX 5.5 Once on your head theRenthal 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