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The Renthal Twinring™ Rear Sprocket, model 1120-520-51GPBK, is engineered for high performance and durability in off-road and motocross applications. Crafted with an inner ring made from high-strength Ultralight™ 7075 T-6 aluminum, this sprocket offers an optimal balance of strength and lightweight design. The outer ring, constructed from electro-less nickel-coated steel, provides exceptional durability and resistance to wear, ensuring a long service life. The manufacturing process involves expanding the outer ring at 200°C and fitting it over the inner ring with an interference fit, reinforced by a wave pattern for a permanent, secure bond. This design guarantees the sprocket remains intact under demanding riding conditions. The flat socket head screws enhance structural integrity during side impacts and prevent contact with the chain guide, contributing to overall reliability. Self-cleaning mud grooves between each tooth help prevent dirt accumulation, reduce wear, and keep weight to a minimum. This sprocket is designed to last up to three times longer than standard all-aluminum options, while still being significantly lighter than full steel sprockets, making it an excellent choice for riders seeking durability without added weight. The black finish offers a sleek, corrosion-resistant appearance suitable for various motorcycle models. Whether you're racing or trail riding, the Renthal Twinring™ Rear Sprocket delivers consistent performance and long-lasting durability, ensuring your motorcycle maintains optimal power transfer and reliability over countless miles.
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