Specifications: Bike stem is constructed of high-strength cnc machined aluminum alloy. The close gap face plate design make it easier to install under right bolt tighten torque, just connect up the original front fork stem. Universal short handlebar stem suitable for most mountain bikes, road bike, fixed gear bicycle, MTB, etc. It is suitable for modified, DIY, upgrade the bike. Item Name: Bicycle Stem Material: Aluminum Alloy Elevation Angle: 0 Degrees Features: Durable, Stable, Easy to Use Handlebar Diameter: 31.8mm/1.25", Front Fork Diameter: 28.6mm/1.13" (Approx.) Optional Length: 80mm/3.15", 100mm/3.94", 110mm/4.33" (Approx.) Length: 50mm/1.97" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bicycle Stem