The perfect balance between raw power & all-day ridability, the all-new Synapse combines remarkably light weight, race-proven performance & dialed vertical compliance in a bicycle that redefines " Endurance." The ultimate partner for the epic ride. Frame Synapse Alloy Disc, Optimized 6061 Alloy, SAVE PLUS, BB30 Fork Synapse SAVE Disc, Carbon blades, 1-1/8" Rims Maddux RD 2.0 Disc, 28-hole (32h 58-61) Hubs Formula DC-20LW front, DC-22LW rear Spokes Stainless Steel, 15g Tires Schwalbe Lugano folding, 700x 25c Pedals Wellgo w/ Clip & Strap Cranks FSA Gossamer, BB30, 50/34 Bottom Bracket FSA BB30 Chain KMC X11, 11-speed Rear Cogs Shimano Ultegra 6800, 12-30, 11-speed Front Derailleur Shimano Ultegra 6800, 31.8 clamp Rear Derailleur Shimano Ultegra 6800 Shifters Shimano Ultegra 6800 Handlebar Cannondale C3 Compact Grips Cannondale Bar Tape w/ Gel, 3.5mm Stem Cannondale C3, 31.8, 6 deg. Headset Synapse Si, 25mm top cap Brakes Cannondale MB700T, 160mm Front, 140mm Rear Brake Levers Shimano Ultegra 6800 Saddle Cannondale Stage Ergo w/ Crmo Rails Seatpost Cannondale C2, UD Carbon, 25.4x 300mm