RK Chains GB520XSO, GB530XSO, GB530XSOZ1

GB520XSO,GB525XSO, & GB530XSOZ1
 (And Non-Gold XSO)
 SEALED RX-RING SPORTBIKE CHAINS
 Looking for an affordable, long lasting performance chain? Look no further, RK's XSO chains offer less torsional friction and increased high-stress, high-speed performance providing a longer lasting chain at an affordable price.
 All RX-Ring chains have "Rerfined X" shaped seals and improved metallurgy giving you 7 times longer wearlife than standard O-ring chains. Viewed in cross section, the RX-ring has two lubrication pools and contact lips versus the single contact design of a standard O-ring chain. Giving the chain a longer life gives you more value for your money