Tangente Course RZipp Tangente Course R is a race and training tire that helps you focus more on your performance and less on the road. The slick tread features low rolling resistance to help you achieve greater speed. The upgraded durometer rubber improves cornering grip and tread longevity. Durable and puncture resistant you'll be able to get more miles in. Zipp designed Tangente Course R to offer a pro performance tire to road cyclists and triathletes that prefer