These Racing Speed XLR's are light enough to climb the steepest gradients, reactive enough to please the strongest sprinter and aerodynamic enough to save precious energy this wheel is the perfect do-it all performance wheel.

At only 1230 grams (530+700) it is light enough to please even the most weight conscious athlete but surprisingly is as stiff and reactive as much heavier wheels.

Development of the Racing Speed 35 was more complex than simply shrinking the current 50mm rim profile and adapting spoke length to match. Fulcrum engineers developed a rim structure completely dedicated to this new platform. In developing this new wheel system engineers needed to take into account the completely different loads and stresses associated with differing measurements, weights and profiles. Working diligently to develop new carbon layup specifically for this profile the engineers were able to produce a lower profile and extremely lightweight rim, whose stiffness rivals that of its higher profile counterparts.

About the Fulcrum brand

There is a huge Italian tradition of cycle engineering excellence and Fulcrum was born from the very heart of it. Competition testing with world level athletes and the expertise Fulcrum's engineers possess means Fulcrum have become known for developing unsurpassed products with excellent performance, durability and market leading innovation. Key technologies pioneered by Fulcrum include 2:1 Two-to-One™ Spoke Ratio, which delivers incredible power transfer by doubling the spokes on the critical drive side of the wheels so no energy is wasted. Fulcrum has also focused on class leading rolling resistance through their CULT and USB Bearing Technologies which use ceramic bearings and cutting edge surface technology to massively reduce friction. CULT ball bearings are 9 times smoother than wheels with traditional bearings. All this innovation and technology has produced amazing results for everyday riders and pros alike with 4 world champions in just 6 years, Boonen, Bettini (x2) and Ballan.