LITTLE KNOWN FACTS ABOUT BICYCLE HELMET.

I’m a stickler about shifting and power transmission, so I took an excellent look at the Cervelo gearing, derailleur, and chain setup.The Aspero is created with gravel racers and go-fasts in your mind. Its aerodynamic tube designs borrowed from Cervelo's Tour de France dominating R5 and S5 are paired by using a carbon layup that keeps the burden