The CONTROL TECH STEM Bike 130mm +25.4mm 1 1/8” Black is a high-quality aluminum stem designed for bicycles. It features a threadless design and a 1 1/8 inch steerer tube diameter, making it compatible with a wide range of bike models. The sleek black color adds a stylish touch to any bike, while the durable construction ensures long-lasting performance. This stem, produced by Control Tech, is a reliable and essential component for any cyclist looking to upgrade their bike's handling capabilities.