The Profile Design Stryke Water Bottle Cage is a sturdy, lightweight water bottle cage with a notch at the top that keeps your water bottle secure. Features: Constructed from durable injected molded nylon/fiberglass that attaches to most bikes equipped with water bottle cage mounts Not recommended for rear, saddle-mounted hydration systems Specifications: Mount: Frame Material: Plastic/Composite Application: - Color: Black Weight: 35g