Specifications Bottom Bracket Shimano Dura-Ace 9000 Brake Calipers Shimano Dura-Ace 9000 Cassette Shimano Dura-Ace 9000, 11-28 Chain Shimano CN-HG900 Crankset Shimano Dura-Ace 9000, 52/36 Fork Addict HMX, 1 1/8" - 1 1/4" Frame Material HMX-SL, IMP SUPERLIGHT Carbon Front Derailleur Shimano Dura-Ace Di2 9070 Handlebar Syncros RR1.1 Carbon Headset Ritchey WCS Integrated Pedals Not Included Rear Derailleur Shimano Dura-Ace Di2 9070 Saddle Prologo Zero II CPC Carbon Seatpost Syncros Carbon FL1.0, 27.2mm Shifters / Levers Shimano Dura-Ace Di2 9070 Stem Syncros FL1.0 Carbon Tires Continental Grand Prix 4000 S II, 700x23c Wheel - Front Zipp Dura-Ace WH-9000 C24 Wheel - Rear Zipp Dura-Ace WH-9000 C24