Racing 7: high-quality wheels at an affordable price. With Racing 7, Fulcrum® offers light, high-performance wheels which are reliable over time. Racing7 wheels have an aluminium rim with a height of 24 mm and aerodynamic profile and machined braking surfaces with wear indicator.  Hubs are oversize, flanged, and turning on sealed cylindrical bearings.  Twenty 2 mm spokes are radially laced on the front wheel to improve the bike's aerodynamics. The rear wheel, on the other hand, has 24 spokes laced according to Fulcrum's renowned 2:1 Two-to-One™ geometry to improve transmission of the athlete's power.