• Made of high-quality aluminum alloy material, super strong and light and can be used for a long time
• It is easy to install under the bottle cage without any difficulty
• Can hold 2 CO2 cartridges, both two CO2 cartridges are stored safely and within an easy-reach distance
• Suitable for most bikes, such as mountain bikes, road bikes, folding bikes, etc.

Specification:

• Material: aluminum alloy
• Weight: about 10g