Gravel riding is becoming increasingly popular with 40C being the most common size. CST's Tirent tire is based on the B-Fast model with slight variations in the shoulder which allows for a smooth transition on corners. It is a completely new gravel tire in a 700x40c size for dirt and gravel roads. Available with EPS (Exceptional Puncture Safety) puncture protection.

Exceptional Puncture Safety (EPS)offers an added layer of proprietary rubberized poly-fiber material between the tread and the casing. The tight weave of this lightweight, puncture-resistant layer prevents foreign objects from penetrating the casing and damaging the tube.