Broader wheels and tires are faster aerodynamically, and even more cozy besides. S5 comes specced with 28mm tires but has clearance for as much as a 34mm (calculated) tire. Cervelo supplies a little prime tube bag with the bike. As released With all the Caledonia, Cervelo features its new (optional) https://tribikecervelo84825.ka-blogs.com/79949488/an-unbiased-view-of-cervelo-triathlon-bike