Built on the success of the standard GravelKing, the GravelKing SS is designed as a dryer-condition, race day ready and fast rolling tire, made for those who want to go fast while maintaining great control, traction and climbing prowess. Tubeless compatible up to 60 psi. Smooth, diamond pattern center tread with more aggressive side lugs, enabling riders to maintain speed and control . Supple 120 TPI casing with a nylon puncture resistant belt. Proprietary ZSG (Zero Slip Grip) natural compound. Item Specifications: TPI: 120, Color: Black, Weight: 480, Defined Color: Black, ISO Width (mm): 45, ISO Diameter: 622 / Road / 29", Tire Intended Use: Gravel, Tire Intended Use: Road, Tire Diameter: 700c, Tire Bead: Folding, Labeled Size: 700 x 45, Tire Type: Tubeless Ready Clincher, PSI: 60,