A hinge style aluminum clamp body for easy installation

Multiple handlebar positions with incremental offsets to choose from

so riders can ride smoother with confidence

Single Lens to use in summer

and has an after wash corrosion inhibitor which drives out moisture and leaves a non-sticky protective layer smelling of fresh Vanilla

RKexcel - Chain - 520XSO-520XSO-90 K-Type-Tire Studs A hinge style aluminum clampThe XSO chains features RK's proprietary "RX Ring" seal design and is offered in 520, 525 & 530. All versions are available in a variety of colors. Viewed in cross section, the 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 XSO chains offer quality, performance and unbeatable value, for all but the most demanding high performance application. Features "RX" Ring Chain