BOLD MAGENTA part numbers are new for 2026 CHAINS PARTS-UNLIMITED.COM OFFROAD | 2026 CHAINS 731 CHAIN TYPE TENSILE STRENGTH (LBS.) WEAR LIFE INDEX WEIGHT PER 100 LINKS (LBS.) MAX ENGINE CC STREET/DIRT COLOR CONNECTING LINK TYPE CONNECTING L INK COLOR 420 SH 5,200 400 2.22 NA/100 Gold Clip Gold 428 SHDR 5,000 400 2.18 NA/200 Gold Clip, rivet Gold MOTOCROSS SERIES CHAIN FINEST MOTOCROSS CHAINS FOR THE WORLD’S FASTEST RIDERS MOTOCROSS CUT-TO-LENGTH CHAIN NO. OF LINKS COLOR PART # 420 SH 120 Gold K420SHG-120 132 Gold K420SHG-132 NO. OF LINKS COLOR PART # 428 SHDR 120 Gold 1222-0604 132 Gold 1222-0055 MOTOCROSS CONNECTING LINKS DESCRIPTION COLOR PART # 420 SH clip connecting link Gold K18-5256 DESCRIPTION COLOR PART # 428 SHDR clip connecting link Gold 1225-0027 MOTOCROSS SERIES CHAIN •420 SH/428 SHDR chains include clip connecting link SPECIFICATIONS CHAIN TYPE TENSILE STRENGTH (LBS.) MAX ENGINE CC COLOR RING TYPE CONNECTING LINK TYPE CONNECTING LINK COLOR 520 8,500 750 Black Duo Glide Rivet Black CHAIN TYPE NO. OF LINKS BLACK 520 170 1223-2101 SX3 CHAIN •Utilize solid rollers for unmatched performance and durability •The SX3 is a high-quality performance chain intended for high rates of speed and stress •Unique Duo-Glide™ seal design provides two pockets of lubrication per side allowing the SX3 chain to operate under the harshest of conditions for extensive periods of time •Duo-Glide seal design reduces heat and friction resulting in wear life that is seven times longer than standard O-ring chains NO. OF LINKS COLOR PART # 120 Gold 1223-1949 NO. OF LINKS COLOR PART # Rivet connecting link Gold 1225-0857 CHAIN TYPE TENSILE STRENGTH (LBS.) MAX ENGINE CC STREET/DIRT COLOR CONNECTING LINK TYPE CONNECTING LINK COLOR 520 RR 8,500 1,000/750 Gold Rivet Gold 520 RR PRO RACING SERIES CHAIN •520 RR chain includes rivet-type connecting link K420SHG-132 1222-0604
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