A lightweight, aero wheel-tire system with UST Road Tubeless at an attainable price. Roll faster and smoother with a reduced risk of punctures. With UST Road Tubeless, no tube means no friction. So you experience less rolling resistance and higher speeds. UST Road Tubeless lets you ride with lower tire pressure for smoother ride and a reduced risk of punctures. Our patented UST system offers a perfect union between tire and wheel, so installation, removal and maintenance are easy. Added speed and efficiency for sprints and solo riding. 30mm deep aero rim profile. Ultra bladed straight pull spokes. Aerodynamic hubs. Long-lasting durability you can depend on. SUP welding. Reinforced lower bridge gives the rim incredible resistance. Interchangeable QRM cartridge bearings.