Specifications Aero Basebar 3T Aura Pro Aero Clip-On Bar 3T Aura Pro Bar End Shifters Shimano Dura-Ace 9000, BSR1 Bottom Bracket Rotor PF-30 Brake Calipers Magura RT6 Hydraulic Brake Levers Magura RT6 Cassette Shimano Ultegra 6800, 11-25 Chain Shimano HG700 Crankset FSA Gossamer BBright, 52/36 Fork All-Carbon, P3 Frame Material Carbon Front Derailleur Shimano Ultegra 6800 Headset FSA IS2 1 1/8" Pedals Not Included Rear Derailleur Shimano Ultegra 6800 Saddle ISM Prologue Seatpost Cervelo Carbon, Aero, Rail-Adjust Stem 3T ARX Pro Tires Mavic Yksion Comp 700x23c, Continental Grand Prix 650x23c (on the 45cm) Wheel - Front Mavic Cosmic Elite S, Vision Team 30 (on the 45cm) Wheel - Rear Mavic Cosmic Elite S, Vision Team 30 (on the 45cm)