Tacx Ciro Bottle CageThe Tacx Ciro is a lightweight, robust and stylish low-profile bottle cage that features a minimalist design while holding onto your bottle cage securely. Plus, this cage is engineered to be a light as possible by removing unnecessary material without sacrificing structural integrity. Features: Material: Carbon Shell with Glass Fibre Core Minimalistic Design Holds your water bottle securely in place Weight: 29gBuy Tacx Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.