... $3,199.00 More information go to : zizou-bike com PRODUCT DESCRIPTION The Cannondale Synapse Carbon Ultegra Di2 Disc 2015 Features are ... Di2 6870 GS Shifters Shimano RR785 Di2, hydraulic disc Chainset: Cannondale HollowGram Si, BB30A, FSA rings, 50/34 Bottom Bracket: ... , 700x25c, folding Front Schwalbe Lugano, 700x25c, folding Rear Seatpost: Cannondale C2, UD Carbon, Di2 Battery, 25.4x300mm (48-51) ...