Description
The Renthal Rear Sprocket HA 525-41 is a high-performance upgrade designed for various Aprilia models from 1998 to 2023, including the Pegaso, Tuareg 660, Dorsoduro, RSV1000, RSV4, and Tuono. Precision CNC-machined from high-strength 7075-T6 aluminum, this sprocket is significantly lighter than steel, reducing unsprung weight and improving power transfer. Its advanced tooth profile enhances chain engagement for smoother operation, reduced noise, and extended wear life. The combination of a durable base material and a hard-wearing surface ensures long-lasting performance. This sprocket is engineered for a precise fit, offering maximum efficiency and reliability.









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