Cyclists, this adjustable bike stem is a game-changer for getting that perfect riding position! Made from 6061 T6 aluminum alloy, it's both lightweight and incredibly strong - perfect for handling the demands of mountain biking, road cycling, or city commuting. The stem fits 31.8mm handlebars and 28.6mm (1-1/8 inch) front fork stems, which are the most common sizes. You can choose from three center distances: 90mm, 110mm, or 145mm depending on your preferred reach. The adjustable angle range from -85 to +85 degrees lets you fine-tune your handlebar height exactly how you want it. Want a more aggressive, aerodynamic position? Lower the bars. Need more comfort for long rides? Raise them up. Installation is straightforward - just connect it to your original front fork stem and secure your handlebars with the four-bolt clamp. The adjustable design means you can experiment with different positions until you find what feels best for your body and riding style. Perfect for riders who share bikes, are between sizes, or just want the flexibility to change their position for different types of rides. The quality construction ensures it won't slip or creak under pressure. If you've been struggling with back pain, neck strain, or just general discomfort on your bike, this adjustable stem could be the simple solution that makes riding enjoyable again. Get your perfect fit without buying a whole new bike!