Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-54t Max BLK/Silver MFPN=W010-0578 Chamfered bar clamps to reduce

Chamfered bar clamps to reduce stress risers and increase fatigue life of handlebars

Collarbone injuries up to 45% MORE likely WITHOUT a neck brace

Fits contours of your bike with special straps

34 Clincher Wire Black/Reflective 60tpi KS

Level Ultimate Stealth 4-Piston combines SRAMs top tier Level Ultimate Stealth lever and carbon blade with a 4-piston caliper to provide superior power to weight performance

Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-54t Max BLK/Silver MFPN=W010-0578 Chamfered bar clamps to reduceShimano Ultegra FD R8150 Di2 Front Derailleur 2x12 Speed Braze on Down Swing For 50 54t Max Black Silver. Combining Shimanos Di2 platform and the road incarnation of Hyperglide+ the Ultegra FD R8150 front derailleur shifts between chainrings with the fast and seamless action. Small sleek and lightweight front derailleur Frontal area is smaller than previous designs to reduce aerodynamic drag Top gear teeth capacity: 50 54t TECH SPECS Double or Triple