CRUCIBLE SPORT Side knobs are aggressive and

Side knobs are aggressive and provide excellent cornering grip

quick braking and faster acceleration

compound types and sizes to meet rider’s needs to a T

The Roly Poly’s center knobs are designed to deliver low rolling resistance

With a tubeless-ready casing and EPS puncture protection

CRUCIBLE SPORT Side knobs are aggressive andTHE CRUCIBLE IS BEEFED UP AGAINST THE TOUGHEST CONDITIONS. Meticulously designed for reliability and durability, the CST Crucible commuter tire is packed with features. Constructed with Kevlar Inside puncture protection and a reflective sidewall, the Crucible is beefed up against the toughest conditions. Available in 26" and 700c to fit your daily ride.