This ultra-light bicycle frame is perfect for those looking for a one speed or fixed gear option. Made with carbon fiber material, it is designed for unisex adult riders with a frame size of 20.5 inches. With its sleek blue color, this bicycle frame is compatible with single speed/fixed gear bikes and is sold as a single item. Ideal for cyclists looking to customize their ride, this high-quality frame offers durability and a lightweight design for optimal performance.