DUKE Lucky Star Ultra 28 Rim - 29" | Tubeless | Hookless | Disc - 28 Holes - satin black

The DUKE Lucky Star Ultra rim inaugurates a new modern geometry lower and wider with an asymmetric profile and hookless walls. The rim holes are off-center (offset) and oriented. The offset makes a better spokes brace angle. The rim is more stable and the lateral stiffness of the wheel is increased. The spoke tensions between the two sides are more balanced, which guarantees a better durability of the wheel. The hookless rim walls allow rim reinforcement and weight reduction. Anti-burp system: the tire bead is kept in position whatever its pressure, no risk of air loss in the corners. Technical details of the DUKE Lucky Star Ultra 28 rim: Use: all cross country disciplines Tire type: Tubeless or with tube Construction: Hookless* (without hook) Material: aluminum Cross section: asymmetric (with 2mm offset) Recommended valve length: 34 mm recommendation nipple height: 14 mm max. tire pressure: 2.8 bar (with 2.25" tires) max. system weight: 95 kg developed and tested in Europe DUKE Original Profile | In 2 words: Duke Technology. DUKE owns the manufacturing tools and processes for its alloy wheels and the molds for its carbon models. This allows them to offer you some of the most technically advanced rims with a wider, offset profile, the result of many years of experience. Asymmetric Profile (Offset) | The offset allows to increase the lateral stiffness and the stability of the wheel without adding weight. The rim holes are off-centered to optimize the stiffening angles and make the wheel stronger and stiffer. In addition, an offset improves the balance between the spoke tension on the drive side and the opposite side, as well as durability in the long term. Antiburp System | The "Burp-Free" system keeps the tire bead securely in position regardless of tire pressure and ground conditions. This prevents the tire from coming off the rim even at maximum speed. Since lateral indentation of the tire towards the center of the rim is prevented, there is no risk of sudden air loss even when cornering. * Hookless rims are specially designed for use with tubeless tires. It is also possible to ride a tubeless-specific tire with a tube. However, the use of classic clincher or folding tires is not recommended.