High performance lightweight and build to last ideal for climbing cyclo cross criteriums short course triathlons and everyday riding these wheels are a set and includes free continental grand prix tyres and tubes specifications spokes pbo front 18 700c rear 24 700c lacing radial2 cross rim 24mm light semi aero machined brake surface clincher only clinchertubular clincher hubs custom usa made cnc machined hidden flange front force 12 rear 650c