The Racing zero has been redesigned for 2017 to better facilitate the use of 25c tyres. Making the rim slightly wider than before means 25c tyres can now be fitted with a more square profile for better rolling and aerodynamics.
|Wheel Size:||700c (622)|
A carbon front hub with oversize flange is used creating a light weight but stiff hub. The rear hub is single piece aluminium for increased stiffness. Differentiated rim heights – 25mm at front for optimal manoeuvrability; 30mm at rear for optimal power transfer, with 22.5mm rim width for improves stiffness and rolling resistance.
The rims are also triple milled to reduce rotational weight and create an aerodynamic profile. Fulcrum Dynamic Balance keeps the Racing zero wheels perfectly stable but is achieved in the rim milling process rather than spokes in the Racing 5.
The 2:1 spoke ratio on rear wheel double the number of spokes on the drive side for greater wheel stability and improved power transfer in the rear wheel. these wheels have 16 radial aero spokes on front wheel and 21 on the rear.
The Racing Zero wheels feature Fulcrums USB ceramic bearings which are 30% lighter 40% more resistant and 50% smoother compared to the steel bearings featured in the 3's 5's and 7's.
Max weight restriction:
Riders 82KG+ are advised to be extra vigilant and inspect your wheels more frequently
Not suitible for riders 109KG or over
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.
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