This Thomson Elite Stem is the perfect addition to your bicycle. With a 140mm length and a 25.4mm clamp diameter, it is designed to fit seamlessly onto any bike. The stem is made of high-quality aluminum and is threadless, making it easy to install and maintain. The stem is ideal for cycling enthusiasts who are looking for a durable and reliable product. It has a steerer tube diameter of 1 1/8 inches and comes in a sleek black color. Whether you are upgrading your bike or simply need a replacement stem, this Thomson Elite Stem is a great choice.