Directly inspired from the Ultimate, the Cosmic Carbon SLR is the new Mavic reference in aero clincher wheels. A redesigned 52mm carbon/ aluminum rim reduces weight by 20 grams and the same R2R carbon spoke design as the Ultimate make this wheel the perfect blend of Aerodynamics, lightweight, stiffness and ease-of-use. 12 K carbon flanges bonded on new 20g lighter alloy rim extrusion. Carbon spokes. Extralight hub design thanks low stress R2R spoke design. 52 mm deep rim with elliptical sidewalls. Aero shaped spokes and hidden nipples. Smooth hubs thanks to R2R spoke design reduce frontal drag. Full clincher compatibility. Predictable and weatherproof braking without the need for special brake pads. Strong, durable and impact resistant rim. Supplied with: Bearing adjustment tool (rear wheel), BR601 quick releases, Rim tape, Spoke wrench (rear wheel), Spoke wrench for aerodynamic spokes (rear wheel), User guide and warranty card, Valve extender, Wheel bags, Wheel magnet (front wheel).