Ritchey WCS Zeta Wheelset - 700c QR x 100/130mm Rim Brake HG 11 Road BlackWide profile (17mm inner width) for more lateral stiffness and improved tire profile Rear Off Center Rim (OCR) design reduces wheel dish to balance spoke tension Precision machined sidewalls Phantom Flange hidden J bend hub design create a sleek, aero profile 6 pawl, 12 point clutch engagement freehub Premium quality cartridge bearings throughout Laced with black double butted DT Aero Comp spokes and brass spoke nipples TECH SPECS size 700c front rear