Ursus launches two new hubs that will make your road bike wheels even more high-performance and reliable. The RD50 and RD30 will revolutionize the high-end and entry-level segments, respectively, thanks to the innovative technical solutions introduced by our research and development department.
The launch of a new product represents a significant step for a company like Ursus. It's the culmination of years of research and road testing, design, and strategic planning. The rapid spread of disc brakes has accelerated the development of this series of hubs, which will now form the technical foundation of every Ursus road bike wheel. With the new disc brake hubs, our experience reaches the heart of your wheels, evolving in performance and innovation.
RD50 HUBS
The RD50 is a hub with a flange for straight-pull spokes. It features the iconic velvet touch finish applied to the 7075 Ergal central body, a stylish touch with the contrast between gloss and matte that underscores the high-end soul of this product. But obviously, the exterior isn't everything. That's why Ursus engineers have once again outdone themselves, creating an even more technically refined component inside.
The key to the RD50's qualities lies in its manufacturing precision . Tolerances are reduced to the micron thanks to the use of cutting-edge CNC machines, as well as the meticulous monitoring of every single dimension. The RD50 follows the action of your legs , giving you the sensation of greater explosiveness on the pedals. This is achieved thanks to the body's radius angle, which is reduced compared to the previous range of hubs.
Added to all this is a further reduction in friction , making the wheel even smoother and more responsive, and above all, a new low-pressure seal system that ensures greater protection for the SKF bearings . Water, mud, and dust have always been the enemies of bicycle components, but the new RD50 seals make these hubs more resistant to atmospheric agents and the natural wear that could affect their smoothness over time. In short, we're talking about components that require very little routine maintenance, but which at the same time will maintain their performance more consistently over time.
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RD30 HUBS
The RD30 is the hub model that will distinguish Ursus's entry-level wheel offering. It shares the same general technical features as its bigger brother, but differs in the flanges, which this time are designed to accommodate J-bend spokes. Aesthetically, the RD30 features a glossy anodized finish.
