Deda elementi superzero stemdeda elementis superzero stem provides you with a perfect balance of stiffness and lightness and with an aero shape the superzero is designed for use by the most demanding riders as its flat top section not only ensures aero performance it provides excellent rigidity for consistent and reliable handling 3d forged from 2014 aluminium this stem is extremely durable and crafted to make you perform features material 3d forged 2014 aluminium hardware crmo angle 8