Detailed Description The Felt B2 uses the same race winningdesign as the Felt DA. Using a different carbon Felt was able to offerthe same DA design at a fraction of the cost to the consumer. The FeltB2 is equipped with Shimano Dura-Ace bar end shifters and drivetrain.Other highlights include the 2piece FSA SL-K Carbon Fiber Crankset withMegoEXO bb 53/59t, as well as the highly succesful Vision basebar andClip On. Guaranteed to give you all the performance you need to beatyour personal best. So why the Felt B2? It's a Felt DAinspired frame, using the same mold as Felt's top end DA and B2 Pro andit includes the bayonet fork for under $4000. This gives you a high-endcomplete racing machine for the price of the 2008 Felt DA framesetalone. That adds up to a tremendous value. Sure nothing can match theDA's lightweight and performance, but for a fraction of the cost the B2is about as close as it comes! SIZES (cm):650c x 48, 50, 700c x 52 / 54 / 56 / 58 / 60COLOR:Semi Matte Clear CoatWEIGHT:17.97 lbs. (56cm)FRAME:New Felt Custom Designed TRI Modular Monocoque Frame, with UHM (UltraHigh Modulus) CarbonFORK:New Felt Custom-Designed Monocoque Bayonet leading aero edge Fork withCarbon Dropouts and the Bayonet steering system Adjustable StemDRIVETRAIN:Shimano Dura-Ace GroupShimano Dura-Ace Crankset 53-39T for 700, 55/42T for 650c ChainringsWHEELSET:Zipp Carbon 606 Clincher Wheelset with Dimpled Rims for 700; ZippCarbon 404 Clincher Wheelset for 650c.Vittoria Diamante Pro Light TiresCOMPONENTS:Vision by FSA Alloy base bar and aero bars with Vision Aero leversFelt Bayonet Steering System Adjustable Stem with 3 stem extensionlengthsFelt 3.1 TRI Saddle with Carbon Injected Base, Extended CRN/TI Railsand White/Carbon fiber coverFelt 3.1 Carbon Aero Seatpost with Double offset Adjustment.Shimano Dura Ace Brakes