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The Renthal Twinring™ Rear Sprocket in a 50-tooth configuration offers a high-performance upgrade for motocross and off-road bikes. Crafted with a combination of durable materials, this sprocket is engineered to maximize strength while minimizing weight. The inner ring is made from Ultralight™ 7075 T-6 aluminum, the same high-strength alloy used in Renthal's standard sprockets, providing excellent durability without adding unnecessary bulk. The outer ring is constructed from electro-less nickel coated steel, enhancing longevity and resistance to wear. This outer ring is expanded at 200°C and fitted over the inner ring with an interference fit, reinforced by a wave pattern that ensures a permanent bond for the lifespan of the chainwheel. This design delivers consistent performance under demanding conditions and reduces the risk of failure during intense riding sessions. The sprocket features flat socket head screws that bolster structural integrity during side impacts and prevent contact with the chain guide, further extending its service life. Features like self-cleaning mud grooves between each tooth prevent dirt accumulation, reduce wear, and help keep the chain running smoothly. The Twinring™ design provides a significant increase in durability, lasting up to three times longer than standard all-aluminum sprockets, yet remains considerably lighter than all-steel alternatives. This combination of lightweight construction and rugged durability makes the Renthal Twinring™ Rear Sprocket a reliable choice for competitive riders and off-road enthusiasts seeking performance and longevity in their drivetrain components.
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