RKexcel - Chain - GB520MXU Options:GB520MXU 100L 2012 KTM 500 EXC 4

2012 KTM 500 EXC 4 Stroke

Stretch material in calf (less bulk inside boot)

Injected-molded polycarbonate hard lens

Heat-treated alloy steel

RKexcel - Chain - GB520MXU Options:GB520MXU 100L 2012 KTM 500 EXC 4Sealed Motocross racing chain. Designed and developed for Supercross and Motocross applications under tough racing conditions. The MXU utilizes RKs advanced U ring for superior sealing and longevity. Real world testing proved that this chain is very durable and dyno testing proved that horsepower is maximized and lap times consistent with non sealed racing chains. The MXU was built super narrow to run on almost any motorcycle and keep the weight to a