PIXEL is design for tracks demanding long lat rubber, Thanks for the High Definition Pixels, each square blocks will last lot longer than standard Low Resolution Pin style, also featuring, bigger and wider V5 core design reducing balloing evern further than our past cores, V5 Cores have bigger foot prints on track surfaces while delivering comfortable handling Long life, high grip, makes great harmony for our new Long Life X compounds. Available as below compounds. Regular compound S- Ultra Soft B - Extreme Soft R - Soft W - Medium X compound long wear compounds YX - Extreme Soft SX - Ultra Soft BX - Extra Soft RX - Soft