Want to take your Klean Kanteen cycling? If you're looking for a little extra liquid on those long rides, check out this easy-to-install, durable Kanteen? Bike Cage for the 27oz Kanteen? Classic - Brushed Stainless. Painted (colored) Kanteen? will scratch and are not recommended for use with the Kanteen? Bike Cage. Standard allen bolts for securing the Kanteen? Bike Cage to your bike are NOT included.Made of high impact polypropylene. Designed to hold 27oz. Klean Kanteen Classic or Reflect. Painted (colored) Klean Kanteen? will scratch and are not recommended for use with the Kanteen? Bike Cage. Will work with 18oz/27oz Wide and 16oz/20oz Insulated Kanteens (wider bottles are snug, but will fit in cage in most cases) Standard allen bolts for mounting are NOT included.