Ritchey WCS Carbon Solostreem Drop Handlebar - Integrated Bar/Stem Carbon 44cm 130mm Matte CarbonRitchey WCS Carbon Solostreem Drop Handlebar Carbon Integrated 44cm Matte Carbon 130mm. The WCS Carbon Solostreem features a classic bend UCI compliant aero top section with short shallow classic drop integrated mount ready for K Edge or similar devices and underside grooved cable routing for a sleek appearance. It enjoys a matte UD carbon finish and its curved stem clamp greatly reduces steerer stress. Measured center to center at the hood