Shimano Rear Derailleurs Altus Derailler 7 8 Speed Black

Shimano Alivio Rear Derailleur  RD-M310 Black
New in Box
- 7-8 Speed Compatible
- Updated wide-link pivot design for improved rigidity and performance
MegaPulleys: oversized 15-tooth tensioner and 13-tooth guide pulleys in a "smart" cage profile for reduced noise and wear
- 7/8 Speed
- Captacity 43T
- SH-42850
- 689228130920
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