Shimano Dura-Ace 10spd Front Derailleur, FD7900, 34.9mm

• 10 speed design
• Extra-wide pivot link is very rigid and suppresses flex for excellent shifting response
• No trim necessary on the front due to wider cage design for less adjustment while on the road
• Optimum spring tension for feather light downshifting for smoother operation
• Top gear teeth: 50 with compact cranks, 56 with standard cranks
• 68 grams