RK "XW" RING CHAINS - 520XSO CHAIN

RK’s “XW-ring” series chain features three contact lips and two convex outer stabilizers. This means three lubrication pools to protect against high speed abrasion,extreme heat build up, torsional fl ex and the loss of lubricant under these extreme conditions with absolutely no o-ring drag. The “XW-ring” goes the distanceto fully eliminate the risk of seal failure on the highest performance machines available today and provides the user with a 50% longer wear life than basic o-ringchains. XW chains are backed by RK’s unbeatable 20,000 mile warranty. Suitable for 750cc max. street or 750cc max. off road with an average tensile strength of8,500 pounds.