CST Premium Pika Tire Cstp Pika 700x38 Bk/bk Dc/eps built to handle the ever-changing conditions encountered during your daily commute or gravel grind ramped center knobs for a smooth, fast ride shoulder tread features U-shaped knobs designed to give you confidence in the turns dual compound tread, EPS protection, and wire bead 60 TPI 75 PSI