The Shimano Alivio RD-M3100 Rear Derailleur features Shadow RD technology to keep the derailleur safe from trail obstacles.
- Super low profile Shadow RD technology
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Alivio RD-M3100 Rear Derailleur - 9-Speed, Long Cage
$48.00 USD
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ERDM3100SGS
Alivio RD-M3100 Rear Derailleur - 9-Speed, Long Cage
$48.00 USD