The Topeak Modula Cage 2 features an innovative diameter adjustment system which makes adapting the Modula from traditional cycling water bottle sizes to store bought bottled water containers quick and simple. 

• Constructed of engineering-grade plastic and aluminum
• Rubber cage pads protect bottles and prevent rattling 
• Dimensinons: 3.4 x 3 x 6.2” 
• Outer diameter: Fits 60-74 mm
• Import