The Garmin Tacx Ciro Carbon Water Bottle Cage is designed to optimize weight savings while providing plenty of bottle security. The shell of the Tacx Ciro is made from carbon fiber with a glass fiber core for added durability. The slim design ensures that no excess material is left to weigh down the bike. Features: Minimalist, lightweight design Strong grip on your bottle Carbon shell with glass fiber core Specifications: Mount: Frame Material: Carbon Application: - Color: Black Weight: 29g