Fulcrum Racing 7 Clincher 2013 Wheel and Tyre Set. The 2013 Racing 7 wheels are perfect for training/everyday use. With Fulcrums quality and performance such as an oversized flange and Spoke Dynamic Balance technology paired with Schwalbe Ultremo ZX Evo V-Guard tyre making for a great combination. Fulcrum's 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. 20 straight pull steel spokes on front wheel, 24 on rear. With new hubs made for straight spokes made of aluminium with a large flange on the drive-side of the rear wheel to increase reaction. And buy this Fulcrum Racing 7 Clincher 2013 Wheel and Tyre Set Now £127.49.