SHIMANO ALTUS - Front Derailleur - TOP SWING - Clamp Band - 3x9-speed. Action_TOP SWING. Chain stay angle (deg.). Mount_Clamp Band (mm)_31.8:Including adapter seat. Angled clamp band design. Mount_Clamp Band (mm)_34.9.
Perfect Solution to Modify MTB Bike Front Derailleur 349mm 318mm Adapter Ring
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