Lezyne Power Cage With oversized hollow aluminum tubing, the Lezyne Power Cage is strapping, yet light as a feather. The wrap-around design securely clasps bottles over rough terrain while providing easy on-the-bike access. The aluminum base is welded to the hollow tubes for a resilient and secure connection. Features Hollow aluminum tubing Wrap-around design Aluminum base Weight: 66g | Lezyne | Power Cage Powder Matte Black | Aluminum