The RS series represents the most innovative and technological production from Deda Elementi. The application of the best materials and advanced manufacturing process to deliver the lightest possible aero components. An exclusive and elegant finish gives the RS series a unique stylish touch.The Polish on Black finish of this stem matches perfectly with the Superzero RS handlebar. It is constructed from 2014 aluminium and has been manufactured using an innovative 3D forging process to get a completely flat design. Compared to the standard version of the Superzero Stem, this stem also features special titanium screws with black PVD finish. Used in combination with the matching RS handlebar this is the lightest aero bar set-up on the market.The Superzero RS stem is available in 5 lengths from 90mm to 130mm.**Technical Specification:*** Material: 2014 Alloy* Bolts: Titanium with black PVD finish* Top Cap: Aero top cap with alloy screw included* Faceplate: 2-piece* Stack Height: 36mm* Angle: 82 degrees* Clamp diameter: 31.7mm* Fork Steerer Diameter: 1 1/8"? (28.6mm)* Sizes: 90mm, 100mm, 110mm, 120mm, 130mm* Cable Routing: S-DCR System, (S-DCR Adapter kit required)* Compatible with: All Deda Elementi handlebar extensions* Weight: 140g (110mm size)