RK XRE chains features RK`s only technology of XW-Ring, which has two lubrication pools and three contact lips, a triple barrier structure to further seal the lubrication and prevent debris to enter the chain. The durability has been dramatically improved from XSO series.

For Street Riding & Touring
XW seal ring
Street Use minimum 15 000 km
Racing Performance
Light weight, high strength and durability.