The unique design of Serfas&'; Switch-Hitter Nylon Cage makes it adjustable for center, right or left side bottle retrieval. On any bike frame where bottle clearance is an issue, this lightweight nylon cage shines. Features: Design Allows Mounting For Bottle Access From Left, Right, or Centered Strong Nylon Composite Road and MTB Compatible Flexible Bottle Retention Firmly Holds Bottle While Allowing Easy One-Handed Removal Specs: Weight: 38g Colors: Black, Blue, Matte Black, Red, Silver