RK GB520MXZ5-112 Gold Pro MX Chain Hour Meters Siped knob surface for quick

Siped knob surface for quick tire warm up on cement start pads

RR 2T 125-300 20-23

stainless steel robustness and simil-carbon flexibility of end cap

85 SX (17/14) 12-20

anatomically redesigned medial and lateral torsion arms which are compact and offer an increased range of movement and control

RK GB520MXZ5-112 Gold Pro MX Chain Hour Meters Siped knob surface for quickRK520RK MXZ5 gold premium MX non sealed drive chainRKs NEW MXZ5 Supercross Racing chains are made for the serious supercross and motocross racer. MXZ5 chains feature chromoly steel construction with seamless rollers and bushing. RKs reinforced chromized pins drastically improve the wear resistance more than two times compared to normal non sealed chains while absorbing shock loads from extreme jumps. All components are heat treated using RKs exclusive