IRC Tire Serac CX Sand X-Guard Tire - 700 x 30, Tubeless, Folding, Blackwithout 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 Product Specifics Flat Protection: Tread and Sidewall TPI: 182 Color: Black Defined Color: Black ISO Width (mm): 30 ISO Diameter: 622 Road 29" Tire Intended Use: Cyclocross