When it comes to casual track riding or training for the most demanding races ellipse is the go to choice its based on 30mm deep aluminum alloy rims for great aerodynamics and welded for strength the hub has a wide dish for maximum stiffness and rolls on solid cartridge bearings and large bladed straight pull spokes make a solid and rigid connection between the rims and hub the rear hub offers a double side thread so two cogs can be used on the same wheel to make gear changes faster and trai