Zefal wiiz plastic side opening bottle cagewith its unique and adaptable design, the wiiz plastic bottle cage enables you to grab your drink container from the left or the right. Simply assemble and mount it to your preference and youll find it easier to get your bottle. Suitable for all bike frame types and ideal for smaller frames with limited space, its thermoplastic material provides a firm hold yet easy in and out access. Lightweight and simple to install, its the perfect choice for new and experienced cyclists.features material thermoplastic resin reversibility suitable for right and left hand easy access easy to remove your bottle on the sides, even on small frames weight 65gbuy zefal accessories from chain reaction cycles, the world's largest online bike store.