Frame Synapse Ballis Tec Carbon Di 2 ready SAVE PLUS BB30A Fork Synapse SAVE PLUS Ballis Tec Carbon 1-1/8 to 1-1/4 tapered steerer Rear Shock N/A Rims Mavic Aksium Disc Hubs Mavic Aksium Disc Spokes Fulcrum Racing LGDisc Tires Schwalbe Lugano 700x 25c folding Pedals N/A Crank Cannondale Hollow Gram Si BB30A FSA rings 50/34 Crank Option N/A Bottom Bracket FSA BB30 Chain Shimano HG700 11-speed Rear Cogs Shimano Ultegra 6800 11-32 11-speed Front Derailleur Shimano Ultegra 6800 braze-on Rear Derailleur Shimano Ultegra Di 2 6870 GS Shifters Shimano RR785 Di 2 hydraulic disc Handlebar Cannondale C2 Compact butted 2014 alloy Grips Cannondale Grip Bar Tape w/ Gel 3.5mm Stem Cannondale C2 6061 Alloy 31.8 6 deg. Headset Synapse Si 1-1/4 lower bearing 25mm top cap Brakes Shimano RR785 hydraulic disc 140/140mm Brake Levers Shimano RR785 Di 2 hydraulic disc Saddle Fabric Spoon Shallow Ti Rail Seatpost Cannondale C2 UD Carbon Di 2 Battery 25.4x 300mm (48-51) 350mm (54-61)