Minoura DuraCage Water Bottle Cage: 4.5mm
The Dura-Cage is lightweight, durable, and designed to fit normal poly water bottles. Made of lightweight and durable #2017 Duralumin Designed to fit normal poly water bottles Bottle Type: Standard Material: Aluminum Color: Black, Titanium Finish, Silver Access Style: Top Mount Type: Bolt-On Defined Color: Black, Silver Weight: 39.