RKexcel - Chain - GB520MXU Options:GB520MXU 100L Heat-treated alloy steel

Heat-treated alloy steel

Heavy-duty swivel carabiner

and the Mega Mayhem follows closely in those foot tracks

Injected-molded polycarbonate hard lens

2012 KTM 500 EXC 4 Stroke

RKexcel - Chain - GB520MXU Options:GB520MXU 100L Heat-treated alloy steelSealed 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