Check the listing for details. Handlebar Stem, Adjustable Angle Mountain Stem for Mountain for Outdoor. Color: Black, Condition: New. Listed at 21.99 USD. SEE LAST PHOTOS FOR MORE DETAILS Specification: Item Type: Mountain Stem Material: Aluminum Alloy Color: Black Suitable Handle Bar Diameter: Approx. 31.8mm/1.3in Hone Center Distance: Approx. 145mm/5.7in Front Fork Diameter: Approx. 28.6mm/1.1in Weight: Approx. 345.0g/12.2oz How to use: 1. Use a tool to loosen the upper cover and the locking screw underneath 2. the handlebar up and remove the handlebar 3. Insert the stem into the front fork and adjust the angle 4. Tighten the upper cover and the locking screws, and the installation is complete Package List: 1 x Mountain Stem