Deda Elementi Superleggero RS StemDeda Elementi’s Superleggero RS Stem is its lightest production stem and amongst the lightest in the World. It’s manufactured from high-quality 7050 aluminium, 3D forged to increase the strength and even features titanium bolts. Advanced Surface TreatmentThe RS model is a limited edition and in addition to the quality construction, it has Deda's Duracer surface treatment. This technology increases the corrosion and wear resistance of the stem and allows the removal of excess material in key areas to reduce the weight. It also enables this without compromising on stiffness or durability.Features:  Material: 7050 Aluminium, Titanium bolts  Finish:  Duracer, polish on black graphics  Bar Clamp Diameter: 31.7mm  Steerer Clamp Diameter: 1 1/8"  Angle: -82°  Recommended mounting with Deda Elementi carbon handlebars only  Weight: 100g (110mm)Buy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.