ShimanoFront Derailleur Clamp Band Shim 34.9mm to 31.8mm SM- AD17 M
Front derailleur band-clamp adapter allows a 34.9mm derailleur clampto fit a 31.8mm frame tube.
Color: Black
Material: Aluminum
Model # SM- AD17 M 34.9-31.8mm
Mfg Part # Y57Y98040
689228389267
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