The Vision Bicycle Stem is a high-quality aluminum stem designed for road or triathlon bikes. With a 90mm length, 31.8mm clamp diameter, and 1-1/8" steerer tube diameter, this stem offers a sleek and durable option for upgrading your bike. The Vision brand, known for producing top-notch cycling components, ensures reliability and performance. The black color adds a stylish touch to the overall look of your bicycle, making it a popular choice for cyclists looking to enhance their ride.