Mavic Pulse Pro 29er UST Tubeless Ready Tire 29x2.1The Mavic Pulse Pro 29er UST Tubeless Ready Tire has a low profile rolling tread increases rolling efficiency on all terrain. The hardened compound allows the tires to meet less resistance. These tires are designed to be lightweight for fast acceleration. The X-Mix Dual Compound has soft side knobs. There are higher side knobs to increase cornering grip and handling. These tires have 127TPI. Available in 29x2.1 or 29x2.25 versions. The 29x2.1 tire weighs 620g and the 29x2.25 tire weighs 680g.889645115597