The sprocket cover for Aprilia RS457 and Tuono 457 is made of solid aluminum, machined from a single block, and includes an integrated transmission support. Made in Italy, it helps prevent incorrect or "false neutral" shifts and enhances the precision and efficiency of the transmission. The Teflon-coated bushing provides superior performance compared to solutions using bearings. This innovative design, combining the sprocket cover and transmission support, ensures greater protection compared to traditional supports. Additionally, it can improve the performance of quick shifters by reducing play on the shaft and protecting the transmission in case of accidents.
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