If you want to take your cross or hybrid bike to the streets for some efficient urban fun WTB's 700x37mm wide Cruz tires with puncture protection makes for the perfect urban assault or commuter tire. The shallow tread rolls smooth and efficiently while the Urban Barrier Protection keeps unwanted debris from ruining your commute. The all weather tread, durable casing and wire bead make the light fast-rolling WTB Cruz city tire a force to be dealt with in the city. Furthermore, there's WTB's TCS and Light technology on board. TCS stands for "Tubeless Compatible System" so you can get all the performance advantages of a tubeless set-up. WTB's Light casing reduces rotating mass and contributes to a supple ride.