The Shimano Ultegra R8170 C50 TL Disc Carbon Clincher 50mm 700c Front Road Wheel has been designed to meet pro road race criteria. This Shimano wheel features a lightweight clincher full carbon 50mm deep rim for improved aerodynamics, increased rigidity and excellent inertia for sprinters and TT specialists.Shimano Ultegra R8170 C50 TL Disc Carbon Clincher 50mm 700c Front Road Wheel FeaturesEasy 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 rigidityElbow-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 frictionCold forged, machined aluminium hub shell and oversized 7075 alloy axle keep the wheel weight to a minimumFor 100 x 12 mm axle700C clincher compatible