Not only does the Profile Designs Kage water bottle cage provide a secure grip to keep your bottles in place, its non-marking design ensures your bottles don't pick up those irksome smudges. The Kage's nylon/fiberglass construction is plenty tough and weighs in at just 52 grams. Features: Nylon/fiberglass material is strong and lightweight Non-marking construction Specifications: Mount: Frame Material: Plastic/Composite Application: - Color: Black Weight: 52g