Specifications Bottom Bracket Shimano SM-BB92-41 Brake Calipers Shimano Dura-Ace 9010 Direct Mount Cassette Shimano Dura-Ace 9000, 11-28 Chain Shimano HG900 Crankset Shimano Dura-Ace 9000, 52/36 Fork Foil HMX Carbon, 1 1/4"-1 1/2" Frame Material HMX Carbon Front Derailleur Shimano Dura-Ace Di2 9070 Handlebar Syncros Road RR1.0 Carbon FOIL Combo Headset Syncros Integrated Pedals Not Included Rear Derailleur Shimano Dura-Ace Di2 9070 Saddle Syncros RR1.0 Carbon Seatpost Syncros Foil Aero Carbon Shifters / Levers Shimano Dura-Ace Di2 9070 Stem Syncros Road RR1.0 Carbon FOIL Combo Tires Continental Grand Prix 4000 S II, 700x23c Wheel - Front Zipp 404 Firecrest Carbon Clincher Wheel - Rear Zipp 404 Firecrest Carbon Clincher