Controltech CLS Drop Stem Black Decal -17Built from 3D forged 6061 aluminum. Forged is significantly stronger than cast methods of building but requires less material, resulting in a stiffer and lighter stem. Faceplate is also constructed from 6061 aluminum, with a strength comparable to steel. Easily flips to give a 17 rise or drop depending on your aerodynamic ambitions. Because correct stem length is vital for comfortable bike position and good handling, the One Drop Stem comes in six