Evenly spreading of center knobs for faster speeding up and minimal rolling resistance will also absorb the shocks from road smoothly. Diamond knurled surface of mid knobs for more grip and triangle reinforcing strip on the base can provided improved straight line to corner control at high speed.Grooved side knobs strengthened by reinforcing rib in between will be tough enough for all rough terrain and all unpredictable conditions. Tube-Less ready. Best use Cross Country.
