BOLD MAGENTA part numbers are new for 2026 PARTSCANADA.COM 2026 | OFFROAD CHAINS CHAINS 448 428 H CHAINS NO. OF LINKS PART # 120 503485 136 503486 Clip connecting link 503487 520 H CHAINS NO. OF LINKS PART # 110 503488 120 503489 Clip connecting link 503491 530 DR CHAINS NO. OF LINKS PART # 140 503660 150 503661 Clip connecting link R18532DR 530 H CHAINS NO. OF LINKS PART # 110 503496 120 503497 Clip connecting link 503499 530 KS CHAINS NO. OF LINKS PART # 110 503528 Clip connecting link R18-532KS HEAVY-DUTY (DR, KS, H) •Heavy-duty chain lasts much longer than standard chain •DR drag racing chain is among the strongest and lightest in this class; at just 4.92 lbs. per 100 links, 530 DR weighs less than most 530 O-ring chains and still provides an average tensile strength of 10,400 lbs. •For use on motorcycles that did not come stock with an O-ring chain •Chains include clip connecting link 420MXZ NO. OF LINKS 420MXZ NATURAL PART # 420MXZ GOLD PART # 110 503644 RK420MXZ110 120 503513 RK420MXZ120 134 503645 503647 428 MXZ1 NO. OF LINKS 428MXZ1 NATURAL PART # GB 428MXZ1 GOLD PART # 120 1221-0368 1221-0375 136 1221-0372 1221-0383 520 MXZ5 NO. OF LINKS 520MXZ5 NATURAL PART # 110 1221-0405 NO. OF LINKS 520MXZ5 NATURAL PART # 120 1221-0410 NO. OF LINKS 520MXZ5 NATURAL PART # 130 1221-0412 DESCRIPTION NATURAL PART # GOLD PART # 420MXZ Clip connecting link 503550 R18422MXZ 428MXZ1 Clip connecting link 1225-0740 1225-0741 DESCRIPTION NATURAL PART # GOLD PART # 520MXZ5 Clip connecting link - 1225-0744 Rivet connecting link 1225-0748 - HEAVY-DUTY CHAINS (MXZ/MXZ1/MXZ5) •Made for the serious motocross racer with all components heat-treated for high performance and durability •Features chromoly steel construction with seamless rollers and bushings, and oversized alloy pins for added strength •MXZ5 is the lightest and strongest MX chain on the market with an impressive tensile strength and a weight of only 3.06 lbs. •Ideal for professional level from 80cc to 500cc open class racing •Chains include clip connecting link •GB 420 MXZ – Made for the serious motocross racer •For both street and dirt bikes up to 150cc •Maximum tensile strength of 4,980 lbs. •GB 428 MXZ1 – For both street and dirt bikes up to 150cc •Maximum tensile strength of 6,070 lbs. •GB 520 MXZ5 – Works MX race chain •For 125cc to 500cc applications •Maximum tensile strength of 8,500 lbs. •Wear life index of 450
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