FitWell Bicycle Company DeGroot I Smooth Green FitWell makes it easy to get the right size for your body See description for details on your proper fit Double butted alloy frame with tapered full carbon fork for low weight and confident handling Wide 28mm tires and low bottom bracket height maximize comfort, confidence and grip Full Shimano Tiagra 10 speed component group for precision shifting and powerful braking 23mm wide rims ride on cartridge bearing hubs for easy rolling