Smooth tread, Silica compound, racing tire formulated to help you take that podium High performance Silica compound greatly reduces rolling resistance while improving grip Minimalistic shoulder siping provides extra grip while leaning into turns Magnitude IV level puncture protection - a tightly woven, lightweight Kevlar layer beneath the tread surface Standard 700x25 622 Fold Kevlar Bk/Blk 110 234 120 NoUPC/EAN/GTIN: 888571023433