BOLD MAGENTA part numbers are new for 2026 CHAINS PARTS-UNLIMITED.COM OFFROAD | 2026 CHAINS 725 420MXZ4 (NATURAL) - CUT-TO-LENGTH DESCRIPTION PART # 120 1220-0341 DESCRIPTION PART # 126 1220-0343 DESCRIPTION PART # Clip connecting link 1225-0333 428MXZ1 (NATURAL) - CUT-TO-LENGTH DESCRIPTION PART # 120 links 1221-0469 DESCRIPTION PART # 134 links 1221-0470 DESCRIPTION PART # Clip connecting link 1225-0740 GB420MXZ4 (GOLD COLOR) - CUT-TO-LENGTH DESCRIPTION PART # 120 1221-0263 DESCRIPTION PART # 134 1221-0264 DESCRIPTION PART # Gold clip connecting link 1225-0528 GB428MXZ4 (GOLD COLOR) - CUT-TO-LENGTH DESCRIPTION PART # 120 1221-0265 DESCRIPTION PART # Gold clip connecting link 1225-0529 GB420MXZ (GOLD COLOR) - CUT-TO-LENGTH DESCRIPTION PART # 82 RK420MXZ82 100 RK420MXZ100 104 RK420MXZ104 110 RK420MXZ110 DESCRIPTION PART # 114 RK420MXZ114 118 RK420MXZ118 120 RK420MXZ120 124 RK420MXZ124 DESCRIPTION PART # 126 RK420MXZ126 130 RK420MXZ130 132 RK420MXZ132 Gold clip connecting link R18422MXZ GB428MXZ1 (GOLD COLOR) - CUT-TO-LENGTH DESCRIPTION PART # 100 1221-0471 110 1221-0472 116 1221-0474 DESCRIPTION PART # 118 1221-0475 120 1221-0476 124 1221-0477 DESCRIPTION PART # 126 1221-0478 130 1221-0479 132 1221-0480 DESCRIPTION PART # 134 1221-0481 Gold clip connecting link 1225-0812 RK CHAINS (CONT) HEAVY DUTY (MXZ1/MXZ4/MXZ5) •Made for the serious motocross racer with all components heat-treated for high-performance durability •Feature chromoly steel construction with seamless rollers and bushings, and oversized alloy pins for added strength •Ideal for professional level from 80cc to 500cc open class racing •Chains include clip connecting link RK CHAINS continued on next page. •GB420MXZ4 tensile strength of 4,980 and maximum 150cc •GB428MXZ4 tensile strength of 6,400 and maximum 150cc •GB520MXZ5 maximum tensile strength of 8,500 and maximum 500cc •Chains include clip connecting link GB520MXZ5 (GOLD COLOR) - CUT-TO-LENGTH NO. OF LINKS PART # 114 1221-0422 116 1221-0423 120 1221-0424 NO. OF LINKS PART # CONNECTING LINK Gold clip connecting link 1225-0767
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