IRC Tire Serac CX Sand X-Guard Tire - 700 x 30 Tubeless Folding BlackIRC Tire Serac CX Sand X Guard Tire 700 x 30 Tubeless Folding Black. without giving up speed on the tarmac. Whether you are on gravel pavement dirt or single track this tire performs. Diamond tread combines grip with low rolling resistance 182 TPI casing Inner air seal prevents leakage X Guard adds a double layer bead to bead puncture protection TECH SPECS Color Black Flat Protection Tread and Sidewall TPI 182 Defined Color Black ISO Width (mm) 30 ISO