CAAD13 is the ultimate alloy race machine. With exceptional efficiency and superb handling, it out-performs most carbon - at an aluminum price. With every new CAAD we design, speed increases. The same can\\\'t be said for weight. Drag-reducing tube shapes and sleek. Dropped rear stay configuration and ample room for bigger tyres delivers the best possible blend of stiff efficiency and unbeatable comfort in an alloy road racer. Cannondale forged its legacy in aluminum and CAAD13\\\'s SmartForm C1 Premium Alloy is the lightest, most sophisticated aluminum construction available. integration keeps the CAAD13 light but make it much, much faster. Key Features: > SmartForm C1 Premium Alloy, 12x142 Speed Release thru-axle, flat-mount disc, integrated cable routing w/ Switchplate, SAVE, BB30a, Di2 ready > BallisTec Carbon Fork is engineered to flex to absorb shock and vibration > Shimano Ultegra 22-speed Drivetrain for precise gear changes and making it easier to ride up steep hills > Shimano Ultegra hydraulic disc brakes give powerful, controllable and consistent stopping power with less effort > Vittoria Rubino Pro Bright Black, 700 x 28c Tyres for the fastest speed on the tarmac