Tangente Speed RSpecifically designed for racing, Zipp Tangente Speed R brings your performance to the next level. Its new advanced durometer rubber reduces rolling resistance while enhancing cornering grip and tread longevity. It features a 220 TPI nylon casing for a more supple ride and greater cornering traction. The slick tread allows you to reach greater speed while the water sipping pattern ensures you won't slide even when the road is wet. It even offers