Shimano Dura-Ace FD-R9150 Di2 Front Derailleur Braze-on Adaptor 28.6/31.8mm General Tools with a tested 4 times

with a tested 4 times the life expectancy of brass

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all selected to give a home mechanic real capability rather than a box of tools they'll rarely use

The hollow pin construction saves grams where it matters

the edges land where they should and there is no guesswork with a razor blade against a carbon frame

Shimano Dura-Ace FD-R9150 Di2 Front Derailleur Braze-on Adaptor 28.6/31.8mm General Tools with a tested 4 timesWhat is the Shimano Dura Ace FD R9150 Di2 braze on adaptor? This is the braze on seat tube adaptor for the Shimano Dura Ace FD R9150 Di2 front derailleur, allowing the braze on style derailleur to mount on frames with 28. 6mm or 31. 8mm round seat tubes. Some frames are built for band clamp front derailleur attachment rather than braze on tabs, and this adaptor bridges the gap letting riders run a braze on Di2 front derailleur on frames that would