Save your steerer tube and eliminate headset spacers with this tall stack alloy stem. Gives a bike cockpit a nice clean look. Available in Polished or Black. Features: The -17 degree angle allows the stem to be level on most modern frames Can use handlebar clamp shims to adapt to smaller handlebar clamp diameter Not recommended for use with carbon steerer tubes Specs: Bar Clamp Diameter (mm)31.8mm MaterialAluminum Weight148g Stem Angle (deg)-17deg S.H.I.S. Stem Clamp Diameter28.6 ColorBlack Defined Color ListBlack Length90mm Stack Height75