This limited edition Racing Zero Red Passion with dazzling red spokes & a mega-drive hub flange improving the stiffness of the wheel & therefore better power transfer. They have also had a great new graphics makeover. Racing Zero is the top wheel of the Fulcrum aluminium range. Its extraordinary performance features & high impact aesthetics make it stand out from the crowd. Racing Zero wheels are compatible with Campagnolo Shimano Inc. & Sram Co. drivetrains & are supplied with the new Fulcrum® quick releases. Nominal weight* RACING ZERO clincher: front: 610 gr rear: 825 g