- Shell material: Tri-composite fiber- Outer Shells: 2 sizes, optimal fit for all sizes- Strap closure/locking: Micrometric-locking- ECE Approval: 22.06 P/J Double homologated, allowed to ride with chin part open in...
Designed for motocross racer, lighter weight but stronger chain compare to Heavy Duty Chain.non-sealed chainExcellent quality and cost performance for motocross racers 50-150cc."
"8805
RK 520SO is a Classic ! The best choice if you are looking for an economical chain for motorcycle from 250cc to 400cc. Developed with Polaris ATV with Special Heat Treatment for Off-road Usage."
"8851
RK 520 EXW is designed to meet the Extreme requirement of rally races such as Dakar Rally, featuring RK?s only technology of XW-Ring and improved Thermal Fatigue Resistance.Application:250-750cc"
"8864