Description RK's exclusive Ultra Thin Seal technology, UW-Ring, minimises friction and power loss. The application of O-rings ensures better efficiency and power transmission from the engine to the wheel. Consisting of 120 links and measuring 520, it's extremely durable and designed to withstand the high torques and demanding conditions of Enduro and Cross Country, and is currently the lightest chain available on the market for this segment. Fits on DESMO 450 MX, DESMO 450 EDX
