Description
Shimano RD-M3020 Acera SGS/Long Rear Derailleur
- Cage length: SGS/Long
- Total capacity: 45T
- Max front difference: 20T
- Mount: Direct attachment (conventional)
- Number of pulley teeth: 11T
- Max low sprocket: 40T
- Min low sprocket: 30T
- Rear speeds: 7/8
- Top normal spring type: Double servo
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