Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-54t Max BLK/Silver MFPN=W010-0578 Premium Hellbender silicon nitride ceramic

Premium Hellbender silicon nitride ceramic bearings with 440C stainless steel races offer smoothness and longevity

}Maxxis Re-Fuse Tire - 700 x 40 Tubeless Folding Black Dual MaxxShield

}Easton CINCH Spider and Chainring Assembly - 46/36t 11-Speed Black

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

Fits contours of your bike with special straps

Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-54t Max BLK/Silver MFPN=W010-0578 Premium Hellbender silicon nitride ceramicShimano 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