Shimano Ultegra WH-R8170-C60-TL Ultegra disc Carbon clincher 60 mm, 11/12-speed

WH-R8170 TL carbon clincher disc brake designed to meet pro road race criteria.Key Features:Lightweight clincher full carbon 60 mm deep rim for improved aerodynamics, increased rigidity and excellent inertia for sprinters and TT specialistsEasy to use Center Lock rotor mount for use with disc brakesStainless steel butted (2.0-1.8-2.0) and bladed straight pull spokes for optimal balance and rigidity (OPTBAL)Elbow-less spokes make for a strong yet compliant wheelHigh lateral rigidity is produced with a wide flange spacingLabyrinth double-contact sealing effectively shuts out water and dirtAlloy cone with integrated steel Borozon treated bearing races - super mirror finish reduces frictionFreehub uses direct engagement interlocking faces for quick power transferCold forged, machined aluminium hub shell and oversized 7075 alloy axle keep the wheel weight to a minimum700C clincher compatibleFor 142 x 12 mm axle11-12-speed compatible rear wheel