Sunstar Chain Exr1 Works Sealed 520x120 Gld/gld

Sunstar's mxr1 works mx / sx / off-road race chain (mxr = motocross xtreme racing) is a premium quality, highly durable non-sealed chain specifically designed for motocross, supercross and/or off-road racing. featuring sunstar's oversized triplestar treated ultra hard pins and 100% heat treated components, the mxr1 chain is constructed to handle the demands of the highest levels of racing. this is also one of the lightest mx chains on the market thanks to its superlight design - the 520mxr1 120 link version weighs less than 3.6 pounds, yet is super strong with an 8,970-pound tensile strength rating. its combination of strength, durability and light weight make it the top choice for serious racers. designed for high-performance mini-mx and off-road applications (perfect for riders / racers on 50cc bikes). strong, lightweight construction with the same triplestar treated ultra-hard pins. 100% heat-treated components for strength and durability. comes in gold / gold finish with clip type master link. non-sealed. average tensile strength of 4,300 pounds. maximum rated displacement (street / off-road): 125cc / 80cc. weight (per 100 links): 1.61 pounds. includes clip-style master link. available only in 108-link length. note: non-sealed chains require more regular maintenance than sealed (o-ring, x-ring) versions and are mainly recommended for off-road use.