BOLD MAGENTA part numbers are new for 2025 CHAINS PARTSCANADA .COM OFFROAD | 2025 CHAINS 457 CHAIN SPECIFICATIONS CHAIN TYPE RING TYPE TENSILE STRENGTH (LBS.) RACING/HIGH-PERFORMANCE 415MXR None 4,300 420MXR None 5,000 428MXR None 5,800 CHAIN TYPE RING TYPE TENSILE STRENGTH (LBS.) RACING/HIGH-PERFORMANCE (CONT) 520MXR1 None 9,000 520XTG TG 8,500 CHAIN TYPE RING TYPE TENSILE STRENGTH (LBS.) HEAVY-DUTY 520HDN None 7,900 520SSR O-ring 7,700 NO. OF LINKS PART # 120 1222-0206 SS420MXR AND 428MXR NO. OF LINKS PART # 420 126 1222-0207 NO. OF LINKS PART # 428 134 1220-0474 DESCRIPTION PART # 108 links 1221-0267 415MXR clip-type connecting link 1225-0496 SS520MXR1 520 WORKS MOTOCROSS/OFFROAD RACING CHAIN •Extra-deep gold inner and outer side plates •All components are 100% heat-treated • Super-light, comes in just under 3.6 lbs. for 120L • Oversized,TST (TripleStar Treatment) coated ultra-hard pins for added strength and unbeatable durability •Built to handle the demands of the top level MX racers in the world •Uses clip-type connecting link •Perfect for any MX applications 125cc through 500cc SS420MXR AND 428MXR WORKS 420 AND 428 MOTOCROSS/OFFROAD RACING CHAINS •Deep gold side plates and gold inner plates •Super-strong and lightweight design for high-performance/ racing mini offroad and motocross machines • Utilizes TST (TripleStar Treated) ultra-hard pins and 100% heat-treated components for high strength and durability •Uses clip-type connecting link •420 chain achieves tensile strength of 5,000 lbs. while the 428 is approximately 5,800 lbs. •Seamless rollers and bushings help provide the added life and durability 415MXR WORKS 415 MINI MX CHAIN •Designed for high-performance mini MX and offroad applications less than 80cc using a 415 pitch drive set (perfect for riders/racers on KTM 50cc bikes) • Strong, lightweight construction with the same TripleStar treated ultra-hard pins •100% heat-treated components for strength and durability • Non-sealed •Uses clip-type connecting link •Tensile strength of 4,300 lbs. •Comes in gold/gold finish with clip-type master link DESCRIPTION PART # Clip connecting link 1225-0154 SS520XTG CHAIN REPLACEMENT LINK •Replacement link for Sunstar SS520XTG chain NO. OF LINKS PART # 120 1222-0204 DESCRIPTION PART # Clip connecting link 1225-0155 SS520SSR 520 SEALED O-RING MOTORCYCLE CHAINS • High-quality, durable and long-lasting standard O-ring chain recommended for any motorcycle 400cc or under • Extremely strong with a 7,700 lbs. tensile strength • Constructed of special, heat-treated alloy steel for the best possible strength and life that is expected of any Sunstar product • Sunstar’s O-rings keep the chain lubricated, resulting in lower friction and continuous power transfer •Color option: natural •Uses clip-type connecting link
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