The Bontrager Line 35 Mountain Bike Stem is a lightweight and durable component designed for various bike types, including dirt jumpers, cyclocross, gravel, racing, trekking, mountain, fat, road, track, triathlon, and downhill bikes. Made of aluminum with a sleek black finish, this stem features a 35mm clamp diameter and a 1 1/8 inch steerer tube diameter. With an item length of 60mm, it offers a sturdy and secure attachment for your bike's handlebars, allowing for a smooth and controlled riding experience. Perfect for cyclists looking to upgrade their bike with a high-quality and reliable stem.