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Feature

Lightweight clamp adapter for Dura-Ace Di2 Front Derailleur

Description

Di2 electronic front derailleur (requires separate shifters, wire harness, and battery pack). Redesigned wide pivot link and cage profile for improved shifting efficiency and optimized for compact and standard chainring combinations with a 43.5mm chainline. Braze-on fits frames with pre existing front derailleur braze-on (can also be used with 28.6/31.8mm or 34.9mm braze-on/clamp adapters). 125g (braze-on).