The lightest stem in production made from 7050 Aluminium, now available in the limited-edition RS colourway which features a unique Duracer surface treatment. With its unique characteristics, Duracer offers the highest levels of corrosion and wear resistance of aluminium stems. Duracer is a Ceramic surface treatment technology, which provides extreme hardness and improves the longevity of the stem. This also allows Deda to remove material from specific zones and to save additional weight without compromising on quality and stiffness of the stem. Special titanium screws and a re-designed faceplate bring the weight down to 100g.