The Pulse Z2i is a side-opening bottle cage ideal for those that don't have enough space in their frame or for those that are looking for a better way of transporting bike accessories Enduro Bikepacking....  2 additional holders have been added onto this bottle cage. On one side there is a frame for a small CO2 inflator like our EZ Big Shot and a cartridge up to 25 g whilst on the other side there is a universal holder which can carry any item with a diameter of 20 to 32 mm most minipumps cartridges.... Features Resversible for right or left hand: Makes it easy to access the bottle no matter the type of frame Adapts to all types of frames: Designed for frames missing access E-Bikes Enduro MTB or Gravel Robust: Reinforce Fibre-Glass material Universal: For diameters of 20 t o32mm Co2 Holder: For smaller inflators like the EZ Big Shot and a cartridge 16 or 25g Tech Specs Material: Composite - reinforced fibre-glass Colours: Black Use: XC Enduro Straps: Nylon with silicone Weight: 52 g