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C50 Disc and C37 Disc. The great Ursus classics are reinventing themselves for disc brakes!

The evolution of two racing bike products that have made the history of Ursus wheels.

Things change, and that can often mean something great is coming. The technicians at Ursus have worked hard to unveil today two new carbon clincher (and tubeless-ready) wheelsets that are truly a must-have. Solid and reliable, they were born from a development phase that has led Ursus wheels to redefine their quality standards for the better. The family of Ursus C wheels, along with the TS series, have recently traced a line of demarcation between past and future, becoming the forefathers of a "new wave" labelled with our beloved Bull.

In this 2021 season, we have decided to reposition the C50 and the C37, expanding the range with their adaptation for disc brake systems. We are talking about two new monocoque carbon rims, respectively 50 mm and 37 mm, with UD finish. Without a braking track, the task of ensuring responsive braking is passed on to the hub. We have responded to this need by installing another Ursus evolutionary piece: it is RD30, an innovative set of hubs with disc brake flanges, entirely Made in Italy. In addition to the smoothness typical of SKF bearings, for the first time, even for mid-range products, it will be possible to choose the superior performance of Ceramicspeed bearings.


C50 Disc is a 50 mm racing bike wheelset. Due to their aerodynamic profile, this type of wheels is particularly suited to cyclists who tackle flat asphalt segments, paving the way for the final sprint. If competing for first place is your mission, these wheels are for you.


C37 Disc, on the other hand, is a 37 mm solution that has given many satisfactions over the years to the Ursus gladiators. The low profile is suitable for cyclists with rouleur-climber skills as it offers less resistance in crosswind situations. The low weight is the second detail that makes these wheels perfect for enjoying a Gran Fondo or for endurance rides on mixed routes. In short: do you like to push uphill? Then C37 Disc is the wheel for you.

C50 Disc and C37 Disc are available starting today on our online shop at a really attractive price, so why not take this chance to give your racing bike a great upgrade?



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