SPECIFICATION : Frame Advanced-Grade Composite Fork Advanced-Grade Composite, Full-Composite OverDrive 2 Steerer Shock N/A Handlebar Giant Contact, 31.8 Stem Giant Contact w/ Titanium hardware, OverDrive 2 Seatpost Giant Vector Composite Saddle Fi'zi:k Aliante Delta Pedals N/A Shifters Shimano Ultegra Front Derailleur Shimano Ultegra Rear Derailleur Shimano Ultegra Brakes Shimano Ultegra Brake Levers Shimano Ultegra Cassette Shimano Ultegra 11x28, 10-Speed Chain KMC X10SL Crankset Shimano Ultegra, 34/50 Bottom Bracket Shimano, Press Fit Rims Giant P-SL1 WheelSystem Hubs Giant P-SL1 WheelSystem Spokes Giant P-SL1 WheelSystem Tires Giant P-SL1, 700x23, Front and Rear Specific, Folding Extras RideSense