420,428,520MXU
Off Road Racing Use(Enduro/MX/SX)
U-Ring Chain (420, 428)
UW-Ring Chain(520)Ultra Thin Sealed Chain for Off Road Racing Use
One of the lightest Sealed-Ring enduro/motocross chain available on the market today. Made for the professional enduro/motocross racers, Next generation of enduro/motocross racing chains featuring RK’s only technology of Ultra Thin Seal, U-Rings or UW-Rings.
Features UW-Ring which extremely improves the chain life and lower friction, providing high performance under enduro races especially muddy condition.
