- The Mavic Open Pro Carbon UST rim is a meticulously designed high-performance bicycle rim made entirely from carbon fiber. Weighing approximately 410 grams, it strikes a balance between lightweight construction and stiffness. With a symmetrical profile and a height of 26 mm, it offers stability and aerodynamics. The rim’s 19 mm internal width accommodates wider tires, enhancing comfort and grip. **Features** **UST Tubeless technology** Traction and control. The UST concept improves traction, control and comfort while reducing inertia and flats **Specifications** * Material: 100% Carbon Fibre * Braking: Pads * Profile: Symmetrical * Drilling: Traditional without eyelet * Height: 26mm * Internal width: 19mm * ETRTO: 622x19TC * Tyre: Tubeless ready * Valve hole diameter: 6.5mm * Tubeless tape width: 25mm (Not included) * Recommended tyre width: 23 to 62mm * Weight: 425g