Full Speed Ahead FSA OS-190 Threadless Bicycle Stem - Alloy Face/Laser Graphics Forged and CNC-machined AL6061/T6 4-bolt forged alloy faceplate CrMo hardware &lt;/br&gt; Black anodized &lt;br/&gt; For 31.8mm handlebars For 1-1/8" steerer tube&lt;/br&gt;40mm stack height 152 grams (100mm)