DEVELOPED ESPECIALLY FOR SERIOUS RACERS. REVERSIBLE TREAD PATTERN WITH A TREAD-WEAR INDICATOR THAT CLEARLY SHOWS WHEN TO REVERSE THE TIRE ON THE RIM -WHEN THE M DISAPPEARS, THE TIRE CAN BE TURNED AROUND. MIRROR-IMAGE KNOBS PROVIDE EQUAL TRACTION IN BOTH DIRECTIONS ON A WIDE RANGE OF TERRAIN STARCROSS FEATURES A COMPOUND DESIGNED FOR MIXED-SOFT CONDITIONS. STRONG CASINGS INCORPORATE THREE CROSS-WOVEN POLYAMIDE PLIES. STAGGERED SHOULDER KNOBS FOR SUPERB CORNERING ACTION. SUPER STIFF SIDEWALLS FOR HIGH-IMPACT SHOCK ABSORPTION ON LANDINGS. FLEXIBLE TREAD MINIMIZES REBOUND ON ROUGH TRACKS AND HELPS KEEP TIRE IN CONTACT WITH THE GROUND