Panaracer fire xc pro comp tyrethe fire xc pro design offers excellent traction and cornering in just about any terrain without the penalty of high rolling resistance or soft fast wearing tread compounds features asb when you see the asb logo it means that the tire has a proprietary anti rebound rubber strip that reduces the chance of pinch flats by an average of 40 bax bax technology uses extremely narrow 014 diameter cord which is weaved at a super high density into the casing for ligh