Photo 1 of Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed, Long Cage, Black

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Photo 1 of Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed, Long Cage, BlackPhoto 2 of Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed, Long Cage, Black