• Clamps around the seat tube to allow the use of a high direct-mount Shimano front derailleur on frames with a 68/73 or 100 mm wide bottom bracket shell• 34.9 mm clamp with shims for 31.8 or 28.6 mm seat tubes• 6061 aluminum construction
11-speed front road derailleur (SRAM Red 22 or Force 22 shifter required) Non-parallel movement maintains the angle with the chain Lightweight, stiff hybrid aluminum and steel cage YAW technology provides smooth shifting and eliminates the need for trim adjustments Integrated chain guard protecting the frame from dropped chains Laser-etched lines...