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The Renthal Twinring™ Rear Sprocket features a high-strength Ultralight™ 7075 T-6 aluminum inner ring, providing exceptional durability combined with reduced weight for optimal performance. The outer ring is made from electro-less nickel-coated steel, engineered for maximum toughness and resistance to wear, making it ideal for demanding riding conditions. This sprocket's innovative interference fit, achieved through expansion at 200°C and a wave pattern design, ensures a permanent bond that maintains integrity throughout the sprocket's lifespan. The flat socket head screws enhance strength during side impacts and prevent contact with the chain guide, contributing to overall durability and reliability. Self-cleaning mud grooves between each tooth help prevent dirt buildup, reducing wear and maintaining efficient chain engagement. Designed to outperform standard all-aluminum sprockets by three times in longevity, yet significantly lighter than all-steel alternatives, this sprocket offers a balanced combination of strength, weight savings, and durability. Perfect for riders seeking a high-performance sprocket with a sleek blue finish, it seamlessly integrates with Yamaha models, ensuring smooth operation and extended service life.
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