BICYCLE BLUE BOOK CAN BE FUN FOR ANYONE

Wider wheels and tires are faster aerodynamically, and more snug besides. S5 comes specced with 28mm tires but has clearance for as many as a 34mm (calculated) tire.The Aspero is built with gravel racers and go-fasts in mind. Its aerodynamic tube shapes borrowed from Cervelo's Tour de France dominating R5 and S5 are paired having a carbon layup tha