WTB ThickSlick 700x23c Flat Guard tire Road / Urban / Commute / Pavement DNA Rubber / Flat Guard Technology / Wire Bead 2X the Rubber: Twice the rubber tread equates to twice the lifespan of a tire. This means your price is 50% off the competition. Puncture Protection: The thicker a tire, the harder it is for glass, pins, staples, and other urban unpleasantries to worm their way in. 475g