Pirelli Cycl-e WT Tire - 700 x 37 Clincher Wire Black ReflectiveCycl e WT (Winter) is specifically designed to perform in winter conditions that are commonly found around the city: cold tarmac thin snow layers iced water splashes and frost. Sipes for quicker warm up time Works well when temperatures are below 32F degrees Paddled tread design Reflective sidewall stripes for added safety Cap technology provides increased grip in wet conditions with anti tacking compounds for efficient rolling Base tread protetction