530 Japanese non seal Heavy Duty chain.RK heavy duty chains are manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability.Application:250-400cc"
"8943
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
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