31.8*35mm Short Stems Bicycle Aluminum Alloy Handlebar Stem for Road Bike Mountain Bike This 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 e. 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.  Perfect 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 alloy Color: Black/ Red/ Purple/ Titanium/ Colorful (optional) Angle: 0 degrees Handlebar mounting hole diameter: 31.8mm Front fork mounting hole diameter: 28.6mm Length: 35mm/ 1.4in Weight: About 150g/ 5.3oz Package List: 1 * Bike Stem