The FireCross is based on the award winning FireXCPro tread. Designed and tweaked for wide clearance cross frames and all 29” applications. Super aggressive and confidence inspiring. Check your frame clearance to make sure it will fit you bicycle. The size is 700x45c / 45-622.
Multi-Step knobs have various heights molded into each knob. Stepped knobs help tires to perform in a multitude of conditions from hard to soft. Short big knobs are designed to provide an excellent ride.