The FSA SL-K Stem is a high-quality bicycle stem made of lightweight aluminum alloy. It has a threadless stem type and a 1 1/8 inch steerer tube diameter. The stem is 110mm long and has a clamp diameter of 31.8mm. It has an angle of +/- 6 degrees and weighs 148g. The stem is compatible with road bikes, racing bikes, and mountain bikes, CX and AGX. It comes with a 1-year manufacturer warranty and is made in Taiwan.