RK 520 MXZ4 Non O-Ring Chain, 120 Links

Ships from our supplier in 2-3 business days, at your door in about a week.

RK's MXZ4 is a non-sealed chain made for supercross and motocross racing. It uses chromoly steel construction with seamless rollers and bushings; RK's chromized pins improve wear resistance more than twofold over normal non-sealed chains while absorbing the shock loads of extreme jumps, and every component is heat treated with RK's HIT process.

RK does not recommend it for street use.

RK rates the 520 MXZ4 for professional level 125 cc to 500 cc class racing. RK's own site now lists it as superseded by the MXZ5; this is the MXZ4 as stocked.

• Tensile strength 8,000 lb (RK)
• RK's engine-size rating: up to 500 cc off-road
• Seal: Non-Sealed
• Master link included: Clip

• Part number 520MXZ4BK 120
• 120 links as supplied; the chain is cut to the link count your bike takes
• Color: Black
• Made by RK, Japan