Shimano Acera M3020-8 SGS 8 Speed Rear Mech in Black
Double Servo rear derailleur with smooth, precise shifting performance and wide-range capability.
The SHIMANO ACERA M3020-8 rear derailleur with Double Servo technology helps you ride challenging terrain with fewer interruptions.
- Max. low sprocket: 40T
- Total capacity: 45T
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