When the spirit of competition dominates your reasons for riding longer distances, the Gran Fondo has to be your rig. The high-modulus carbon frame reduces energy-robbing vibration and features endurance-oriented geometry to put you in the best position to produce power consistently through high-mileage events. Compatible with Di2/standard groupset. Features: Frame: C10 ultra high-modulus carbon w/ VRTech, integrated head tube w/ 1 1/2" lower, internal cable routing, PF30 BB shell, double water bottle mounts, oversized ETC chainstays, 12mm convertible thru-axle system w/ replaceable hanger & hidden fender eyelet Fork: FC-330 carbon monocoque w/ VRTech, tapered carbon steerer, 12mm thru-axle dropout, hidden fender eyelet Bottom Bracket Shell: Press-Fit 30 Headset: 1 1/8" upper - 1 1/2" lower, integrated Manufaturer Claim Weight: ~1650g Size Table: Size 52cm Seat Tube, Center to Top 450 Seat Tube, Effective 490 Top Tube, Effective 515 Head Tube 125 Seat Tube Angle 74.5 Head Tube Angle 71.5 Chainstay 415 Wheelbase 987 Fork Offset 52 Bottom Bracket Drop 69 Stack 531 Reach 368 Standover 736