WTB Trail Boss Tire - 29 x 2.4, TCS Tubeless, Folding, Black, Light/Fast Rolling, Dual DNA, SG2Tight enough tread spacing for high speed, drag free onslaughts yet blocky and tall enough to really dig in when it comes time to slam on the brakes. A rounded profile and staggered, supported side knobs keep clamoring for traction even as the trail loses its camber. Commonly used as a rear tire with a WTB Vigilante on the front Product Specifics Flat Protection: Tread and Sidewall TPI: 60 Color: Black Defined Color: Black ISO Width (mm): 62 ISO