Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice. Top normal spring for use with Rapidfire shifters. Speed 7 Speed.
Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed, Long Cage, Black
Shimano Acera RD-M3020 8 Speed Rear Derailleur
Shimano Acera RD-M3020 7 / 8 Speed Rear Bike Derailleur Direct Attachment
Shimano Acera RD-M3020 SGS 7 / 8 Speed Rear Derailleur MTB Long Cage
Shimano Acera RD-M3020-SGS Rear Derailleur - 8 Speed - Long Cage
Shimano Acera RD-M360 Rear Mech - 7/8 Speed - Silver
