NEW Shimano Ultegra 6780, 6770 Di2 Front Derailleur Braze-On Adaptor 28.6 / 31.8 donotlist Rear derailleur is compatible with

Rear derailleur is compatible with 10-50t and 10-52t cassettes

Wear it under your helmet or whenever the heck you want

Color Black Intended Brake Type Cantilever Pad Attachment Style Smooth Post Pad Type One Piece Rim Compatibility Standard

"front/rear: rear (HG 8-11sp)

The Campagnolo EKAR Ergopower Control levers and Disc brake calipers feature detailed

NEW Shimano Ultegra 6780, 6770 Di2 Front Derailleur Braze-On Adaptor 28.6 / 31.8 donotlist Rear derailleur is compatible withShimano Front Derailleur Braze On Adaptors. Front Derailleur Clamp: 28. 6 (1 1 8") Front Derailleur Clamp: 31. 8 (1 1 4") Front Derailleur Clamp: Braze on