Wheelset DURA-ACE WH-9000-C24-TU Ultralight carbon wheelset for tubular tires OptBal 2: 1 spoke increases rigidity and improves durability Extra wide hub flange maximizes rigidity Hub adjustment system "Digital Click": easy maintenance, lower axial forces on the quick release Proven cone bearings and oversize A7075 aluminum axles Series: DURA-ACE Model: WH-9000-C24-TU Application: Road Size: 700C Gears: 10/11 speed Type of tire: tubular Material rim: carbon Material spoke: stainless steel Nipple: aluminum Height / width rim: 24 / 20.8 mm Rec. Tires: 700x20C – 25C Material freehub body: titanium Type: QR 133 mm / QR 163 mm Installation width: 100mm / 130mm