Shimano Dura-Ace FD-R9150 Di2 Front Derailleur Braze-On Adapter (28.6/31.8mm)

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This Front Derailleur Braze-On Adapter allows you to run a braze-on style front derailleur on a frame that doesn't have a front derailleur braze-on mount. 

This product was added to our catalog on March 7, 2018

Richard Quest
Verified Owner
Sunday, Nov 27 2022 (about a year ago)
Shimano Dura-Ace FD-R9150 Di2 Front Derailleur Braze-On Adapter (34.9mm)
Stop arm on my 21 year old Ultegra derailleur rubs on the clamp. Maybe this is not an issue with newer derailleurs. A bit of filing on the clamp solves the issue, and the clamp is about 5 grams lighter than the older one. It may allow a slightly larger tire (700/30) than I can currently mount on my 2001 Litespeed. If so, I would rate this as five stars, and maybe it should be 4 stars anyway. The delivery was faster than stated.