BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | OFFROAD CHAINS CHAINS 734 DESCRIPTION PART # 415RH2 110 links 1220-0109 120 links 1220-0110 130 links 1220-0111 Clip connecting link 1225-0218 420RH2 110 links 1220-0281 120 links 1220-0282 130 links 1220-0285 Clip connecting link 1225-0312 DESCRIPTION PART # 428RH2 120 links 1220-0106 130 links 1220-0107 25’ 1220-0108 Clip connecting link 1225-0217 520RH2 100 links 1220-0097 110 links 1220-0098 114 links 1220-0099 116 links 1220-0101 120 links 1220-0102 DESCRIPTION PART # 520RH2 (CONT) 130 links 1220-0103 25’ 1220-0104 Clip connecting link 1225-0216 Rivet connecting link 1225-0215 428ORN6 120 links 1222-0547 130 links 1222-0548 140 links 1222-0549 Clip connecting link 1225-0562 Rivet connecting link 1225-0561 RH2 SERIES •Developed to withstand the severe stresses of off-road riding •Larger diameter alloy carbon steel pins and thicker plates offer increased tensile strength and fatigue resistance •Extended bushings and solid rollers provide improved durability •520RH2 is suitable for supermotard or motocross bikes up to 500cc •Clip-type link included •Gold color ORN SERIES • Features the latest generation of O-rings, providing long life in all types of riding conditions •Special high-temperature grease in the pin/bushing area provides constant lubrication • High-carbon alloy pins to minimize wear, along with solid bushings and rollers for durability •Rated for offroad bikes up to 125cc •Gold color DESCRIPTION PART # 420RX3 110 links 1221-0100 114 links 1221-0101 120 links 1221-0102 130 links 1221-0103 Clip connecting link 1225-0214 428RX3 100 links 1221-0096 DESCRIPTION PART # 428RX3 (CONT) 120 links 1221-0097 130 links 1221-0098 25’ 1221-0099 Clip connecting link 1225-0213 Rivet connecting link 1225-0212 520RX3 100 links 1221-0089 DESCRIPTION PART # 520RX3 (CONT) 110 links 1221-0090 114 links 1221-0091 116 links 1221-0092 120 links 1221-0093 130 links 1221-0094 25’ 1221-0095 Clip connecting link 1225-0211 Rivet connecting link 1225-0210 RX3 SERIES • The ultimate off-road chain, developed to withstand the severe stresses of off-road riding, yet lightweight with maximum performance •Featuring specially shaped bushings and chromized pins for reduced elongation and maximum wear resistance • Larger diameter alloy carbon steel pins and thicker plates, shot-peened to provide increased tensile strength and better fatigue resistance •Extended bushings and solid rollers provide improved durability • Inner links are beveled to improve sprocket engagement, even in the worst off-road conditions •Suitable for motocross or supermotard bikes up to 600cc •Clip-type link included •Gold color Shaped bushing
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