Features1This mountain bike stem is made of aluminum alloy material, it is durable and stable to use. 2Easy to install, just connect up the original front fork. Four bolt bar clamp holds handlebar securely. 3Suitable for most road bikes, mountain bikes, downhill bikes, track bikes, and so on. 4 for modifying, DIY and upgrading your bike. Good replacement parts for your mountain bike. 5With this mountain bike stem extension, your bike can do more.SpecificationThis stem can help to reduce the amount of tilting to do when riding a bicycle and gives better control over the ability to steer. The proper height can effectively reduce the waist pressure when riding, making it easier to exert and save effort when riding.Features:This mountain bike stem is made of aluminum alloy material, it is durable and stable to use.Easy to install, just connect up the original front fork. Four bolt bar clamp holds handlebar securely.Suitable for most road bikes, mountain bikes, downhill bikes, track bikes, and so on. for modifying, DIY and upgrading your bike. Good replacement parts for your mountain bike.With this mountain bike stem extension, your bike can do more.Specification:Material: Aluminum alloyColor: Black/ Red/ Purple/ Titanium/ Colorful (optional)Angle: 0 degreesHandlebar mounting hole diameter: 31.8mmFront fork mounting hole diameter: 28.6mmLength: 35mm/ 1.4inWeight: About 150g/ 5.3ozPackage List:1 * Bike StemPackage List1 * Bike Stem