Optimize your ride with the Shimano Acera RD-M3020 7/8 speed rear derailleur. Its double servo construction ensures smooth and precise shifting, allowing for versatile performance and wide compatibility. With a max low sprocket of 40T and total capacity of 45T, this derailleur is designed for optimal function.
bicycle posture seat-Shimano Acera RD-M3020 rear derailleur
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