RK HEAVY DUTY SERIES NON O-RING 420MXZ CHAIN 134 LINKS REGULAR

RK Heavy Duty Series Non O-Ring Chain (428H, 520H, 530H, 420MXZ, 428MXZ, 520MXZ3 and 530KS series chains) RK Heavy Duty chains are suitable for situations where an O-Ring chain is unnecessary, such as motocross and some light weight road race applications. RK Heavy Duty chains are available in a size and type for 80cc to 750cc motorcycles. With tensile strengths from 5,400 ft. lbs to 8,800 ft. lbs, they can handle every chore from trail riding to wide-open on the race track. RK Heavy Duty chains are not suitable for any motorcycle which came stock with an O-Ring chain.