Usage Tips:ADJUSTABLE DESIGN:Adjustable angle: -10degree-50degree,It can help you raise or lower the height of the handlebars, so as to obtain a more comfortable riding experience. :Made of high-strength material, and stable performance, can provide you with superior use effect. EASY TO INSTALL:Just connect the old front fork rod to the rod, adjust the appropriate angle, and tighten all bolts with an Hex wrench (not included). WIDE APPLICATION:Suitable for most mountain bikes, road bikes, fixed gear bicycles, BMX, etc. Come DIY to upgrade your bike for a more comfortable riding experience. colour:Silver Material:Aluminum alloy size:Handlebar diameter 25.4mm, length 110mm Package Contents: 1 x Bike Stem Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.