Features: This stem can help to reduce the amount of tilting to do when Cycling a bicycles and gives better control over the ability to steer. Make of aluminum alloy materials, light in weight, Enduring and stable to use. Short Handlebar Stem Suitable for Most Road Bike, Fixed Gear Bicycles, Mountain Bikes. Mountain bike stem can offer sharper feedback and increased stability. This help you have a better grasp of the bike's balance and postures, enhancing stability while Cycling. Specifications: Component: Aluminum alloy Style: Black/Red Color/Blue/Gray Metal Color/01 Color/Silver/02 Color/A 01 Color/Black Red Color/Black Color Metal Color/Deeply Blue/Pink Gold/01 Color Silver/Dazzling Color/A Black Red/A Black Color Metal Color/A Deeply Blue/A Pink Gold/A 01 Color Silver Front fork installation diameter: about 28.6mm/1.13inch Installation diameter of handlebars: about 31.8mm/1.25 inches Center distance: about 35mm/1.38inch Height: about 42mm/1.65inch Package Includes: 1pc Mountain Bike Stem note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.