Shimano FD-R7150 105 Di2 12-speed Front Derailleur

The new Di2 wireless platform brings quick and smooth front shifts. And a choice of manual shifts or synchronised shifting assist modes – SEMI-SYNCHRO or FULL-SYNCHRO – which is a bit like having your own personal assistant! In SEMI-SYNCHRO mode, the rear derailleur automatically adjusts to reduce big jumps in gear ratios allowing you to maintain your pace and rhythm.In FULL-SYNCHRO mode, the front and rear derailleurs work in perfect harmony to get you in the right gear at the right time – so you never have to worry about it. Slick communications with the rear derailleur combined with programmed chain guide control minimises chain drop. And top gear teeth capacity is 50-52T. It’s up to you how little or often you think about gear ratios!SHIMANO Di2 electronic shifting lets you change from the big to small chainrings, or vice versa, whenever you like while minimizing the risk of a dropped chain. Similarly, you can perform rear shifts without the need to trim the front derailleu... - Manufacturers part number: IFDR7150F

• Manual, fully and semi-synchronised switching program
• Programmed control of the chain guide through automatic trimming
• Brand: Shimano
• Powerful, precise and fluid derailleur function