The pinnacle of efficiency ride quality and speed on the roughest roads the loosest gravel tracks and all paths that lead to them. UST Road Tubeless technology allows for reduced tire pressure offering premium comfort and better control on the most technical surfaces. 25mm wide UST hookless rims offer a smooth ride with a wide range of matching tubeless tires from 30mm to 64mm. Fore drilling makes the rim completely airtight eliminating the need for a rim tape and saving 30g per wheel. Black Shield Rim finish a combination of anodizing and paint reinforces against impacts and scratches