Fulcrum Racing 1, Clincher Wheels (pair) Racing 1 wheels have competition in their DNA. If you’re looking for a lightweight wheel that gives the best performance under any condition & has a marvellously aggressive look, you’ve found it. The aluminium rims have a differentiated profile front & rear. The front wheel height is 26 mm to achieve perfect aerodynamic penetration, while the rear increases to 30 mm to provide all the stiffness necessary to transmit every watt of your power. Both rims feature the characteristic Fulcrum® toroidal milling between the anchoring points of the spokes. The fact that the rim grooves do not have holes translates into greater torsional stiffness & greater vertical elasticity. The spokes are in aluminium with aero profile & a central section of 2.6 mm, 16 radial for the front wheel & 21 for the rear wheel distributed according to the famous Fulcrum® 2:1 spoking, with double the number of spokes on the cassette side. The nipples are in aluminium, too, which reduces the important peripheral mass of the wheel, thereby increasing its performance in acceleration.