RK 520 XSO Silver O-Ring H.Duty Road Bike Chain (116 Links)  £85.99

Ships in 2 - 3 days116 LINKS
  • Description
  • Reviews
  • Price Match Request
  • Q&A
RK Logo

RK 520 XSO Silver O-Ring H.Duty Road Bike Chain

The 520 XSO features RK's standard X-Ring technology, the RX-Ring. The special shape of the X-Ring allows for 4 points of contact between the ring and chain with a lubricant reservoir in the middle. This allows the 520 XSO to have the twice the wear life of a standard 520 chain whilst requiring less maintenance. The 520 XSO is designed to combine rigid strength with a low weight providing the feeling of light acceleration without compromising on wear resistance. Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.


  • RK RX-Ring has two lubrication pools and seal points versus the single seal point/pool design of a regular O-ring chain
  • RK's new XSO chains offer quality, performance and unbeatable value
  • 8,500 pounds per feet tensile strength
  • OEM for all major Japanese manufacturers
  • At least twice the wear life of a standard 520 chain
  • High tensile strength
  • Light weight
  • Low Maintenance
  • Less torsional friction

RK is the leading manufacturer of OEM motorcycle drive chain to all major Japanese manufacturers. With over 40 years of supply to the largest manufactures including Honda, Suzuki, Yamaha, Kawasaki and Triumph, RK has years of experience which it utilises to ensure every chain it produces exceeds all expectations. RK also remains the first choice for many race teams from Moto GP, Motocross and Rally, it's superior quality gives their competitors the edge. Maximise your motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...