SRAM S40 Wheel 40mm Rim Rear Clincher 700C
ALL-ROUNDER FOR FAST HILLY RIDESClimb, accelerate, and sprint with no effort with the lightest of our carbon wheels. The new unidirectional carbon fiber used on the structural rim reduces weight while increasing stiffness. Whether using S40s for your local group ride, or on a cyclosportive, their aero shape will always give you the edge.Depth 38mm Weight 760g (font), 950g (rear) Spoke Count 18 (front), 20 (rear) Type Clincher Material UD Carbon.