Vintage Shimano SM-AD15 1 3/8 Front Derailleur Clamp Adapter Silver Braze On Brand: Shimano Model: SM-AD15 front derailleur bracket riser clamp adapter. Color: Silver; Material: aluminum alloy; Made in Japan (casting marked SM-AD15 JAPAN VIA). Size: 1 3/8 inch clamp diameter (per molded marking inside band). Weight: 30 grams (per scale photo). Details: Clamp-on bracket riser for mounting a front derailleur to a 1 3/8 inch seat tube, single bolt band clamp with integrated derailleur mounting plate and included clamp hardware. Used part with scratches, nicks, and road grime throughout, plus small oxidation spots. Clamp band, threads, and mounting plate solid with no cracks; hardware included.
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