RK 420 MXZ 136L MX Race Chain SIZE_YOUTH L / XL EPS and shell dimensions optimised

EPS and shell dimensions optimised using Finite Elements Analysis

while conditioning seals and minimising compression loss

Accordion stretch above the knees

sludge and carbon without dismantling the engine

Ventura 990 SUPER MOTO 08-14 Astro 32L Topbox Kit

RK 420 MXZ 136L MX Race Chain SIZE_YOUTH L / XL EPS and shell dimensions optimisedRK 420MXZ x 136L MX Race Chain HEAVY DUTY MOTOCROSS CHAIN RK's MXZ chain features chromoly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength. All components are heat treated using RK's exclusive HIT (Heat Induction Transfer) process.