The DIA-COMPE SEAT POST CLAMP in blue is a high-quality component for BMX bikes, specifically designed for 7/8" seatposts. Made of durable aluminum, this hinged clamp features a 25.4mm diameter and a sleek design that complements old school, flatland, and standard BMX bikes. With a manufacturer warranty of 1 month, this product ensures reliability and performance for your cycling adventures. Designed in Taiwan, this seatpost clamp is a stylish and functional addition to your bike setup.