Trek procaliber 97 2017 mountain bike black 23 inch
In mountain bikings heyday procaliber was the envy of all other race bikes now its back to rule the xc circuit once again redefining the term hardtail and setting the bar for speed and smarts procalibers isospeed decoupler delivers uncompromising cross country performance efficiency and an incredible ride feel its the fastest smoothest smartest hardtail on the trail