RK GB520MXU-120 Gold UW-Ring Chain PW50 single throttle cable XL 250 K3/K4 (1978–1979)

XL 250 K3/K4 (1978–1979)

YZ 250X 16-23

YZ250F 01-03

Lower Rear Shock Bearing Kit Upgrade

(MPN): 8033637210971

RK GB520MXU-120 Gold UW-Ring Chain PW50 single throttle cable XL 250 K3/K4 (1978–1979)RK 520MXU narrow gold enduro motorcycle chainThe RK 520MXU is the lightest sealed ring enduro motocross chain available in market today, 13. 8g link, only 0. 1g link heavier than RK 520MXZ4 non sealed chainThe MXU chain series is the next generation of enduro motocross racing chains featuring the RK patented technology of Ultra Thin UW Rings, which make it possible to design a Sealed Chain with the weight of a Non Sealed Chain. UW Seal Rings stop