Doesnt these disk wheels influence the balance or speed when cycling?_________________________ Re: Hi Gypsy, thanks for your interest. Are you going to prepare for cycling-sports? :-))) Discs wheels are great if you cycle at fast speeds on flat roads. Because of better aerodynamics at 40 km/h you can save round about 3,6% power against a normal spoked wheel. But discs are heavier than spoked wheels. The additional weight you have to carry uphill. From my point of view, disc wheels are not the best choice for climbing scottish hills! For hilly roads, I use deep section wheels. Deep section wheels have nearly same aerodynamics than discs, but they are much lighter :-) **** No aerodynamic driven super cycling plans in my near future, but my old bicycle has been dusted! :-D