LARGE CONTACT PATCH FOR EXCELLENT GRIP AT ALL LEAN ANGLES V SPEED RATED (149MPH/240KMH) ACROSS THE ENTIRE RANGE INTERRUPTED CENTER GROOVE TO RESIST TRACKING WIDE RANGE OF SIZES AND MATCHING TREAD DESIGN FRONT AND REAR PERFECT FOR COMMUTER AND TRADITIONAL BIKES BIAS-PLY CONSTRUCTION RACE USE ONLY. NON D.O.T.