The perfect choice for in-and-out of the saddle climbers on mixedgrade courses where the race is won in the uphill breakaway. But the 303 is by no means stranded in the high country � it�ll carve you back down the hill and help you maintain your advantage on flat land too. A favorite of Team CSC, this is the wheel for all-around cyclists who shine especially bright on slopes. Ultra-light, with a ride that snaps tight. The 303 Tubular wheelset weighs about as much as 10 pairs of socks (999g on the 650s, and 1124g on the 700s), while offering lateral and vertical stiffness that�s more than double that of a traditional rim. This wheelset is the worldwide secret weapon of champions who compete in severe racing conditions dominated by steep climbs, wicked winds, the need for immediate acceleration, and the minimum possible muscular road fatigue.The legendary 303 tubular wheelsets continue to be a rider favorite! The superior aerodynamic properties of 303 rims have been refined through new shapes and tooling through the years resulting in continuously improved aerodynamics and cross wind stability. These improvements combined with ICT and VcLc technology offer a light weight wheelset whose lateral and vertical stiffness is more than double that of a traditional rim, with dramatically reduced road noise and enhanced rider control and road feel through improved tire contact patch consistency.

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