Brand: Shimano Part Nr: Y5RT98150

Brand: Shimano Part Nr: Y5TN13000

Brand: Shimano  Shimano clamp adapter for front derailleur clamp (31.8 mm - 28.6 mm). For use of a front derailleur with a clamp diameter of  31.8 mm on a frame with a seat tube diameter of 28.6 mm.

Brand: Shimano  Shimano clamp adapter for front derailleur clamp (34.9 mm - 31.8 mm) - For use of a front derailleur with a clamp diameter of 34.9 mm on a frame with a seat tube diameter of 31.8 mm