The ffwd control wheels come with four additional spokes in the front and rear wheel compared to the standard wheels we recommend the control version for riders weighing around 90 to 95kg or more the extra power that heavier riders are able to put onto the wheels is split over the additional spokes resulting in a stiff and rigid wheel set the control wheels are also an option for cyclocross and tandem use features superstiff high tensile tc35 carbon ffwd hub by dt swiss 60 mm deep r