Broader wheels and tires are faster aerodynamically, and even more comfortable to boot. S5 comes specced with 28mm tires but has clearance for as many as a 34mm (measured) tire. The quality of Shimano's Ultegra groupset is effectively documented, and its shifting overall performance Together with the Microshift bar-close shifters https://billr876coz9.dailyhitblog.com/profile