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."
"8781
Premium Replacement for 428 Genuine ChainRK GB428XSO is the best replacement for 428 Non-Sealed OE Chain, featuring XW-Ring that drastically improve the chain life, together with Plating Gold on both Outer and Inner...