Rear derailleur SH RD-M3020 7/8speed SGS gray
Reference number: 03012677
Shimano Acera RD-M3020 Rear Derailleur - 7/8-speed - SGS
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The Double Servo construction of the Shimano Acera RD-M3020 rear derailleur for mechanical 7- and 8-speed shifting systems provides smooth yet precise shifting performance with every gear change. In doing so, it not only covers a wide range of applications, but also allows you to ride challenging terrain with a minimum of interruptions.
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