If you have a Shimano Di2 system and want to run it on a frame that's designed for a clamp-on front derailleur, then you'll need this Shimano Ultegra Di2 Adapter Clamp. It's available to fit 31.8mm or 34.9mm seat tubes. Simply bolt it directly to your Di2 front derailleur braze-on style mount, and you'll be ready to position the whole assembly onto your seat tube.
Features
- Adapter to run a Sgimano Di2 system on a frame designed for a clamp-on front derailleur
- Available for 31.8mm or 34.9mm seat tubes
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