Features 1、Easy to install just with a wrench, when you finish mounting, the stem riser is invisible outside. 2、Constructed of high-strength aluminum alloy, anti-corrosion and non-deformation. Ensures a long time service. 3、Suitable for mountain bicycle to rise up the handlebar fork stem. 4、Can extend the fork stem by 3mm to 50mm. 5、Great accessory for cycling enthusiasts, adjust the height of stem by yourself with it. Specification Features: Easy to install just with a wrench, when you finish mounting, the stem riser is invisible outside. Constructed of high-strength aluminum alloy, anti-corrosion and non-deformation. Ensures a long time service. Suitable for mountain bicycle to rise up the handlebar fork stem. Can extend the fork stem by 3mm to 50mm. Great accessory for cycling enthusiasts, adjust the height of stem by yourself with it. Specifications: Condition: 100% Brand New and High Quality Brand: MEIJUN Material: Aluminum Alloy Color: Shown as Picture Length: Approx. 12.2cm / 4.8inch Adjustable Height: Approx. 3-50mm / 0.1-1.9inch Suitable Inner Diameter: Approx. 24.6-25.4mm / 0.9-1inch Weight: Approx. 176g Package Included: 1 x Bike Stem Riser Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List