The Topeak Nano AirBooster is an ultra-lightweight and compact CO2 pump head. 16 or 25 gram cartridges are simply screwed on, fixed to the valve, and with a half turn, the contents of the cartridge are released. In seconds, your bike is ready to ride again. The CNC-machined aluminum inflator head fits Presta (SV) and Schrader (AV) valves. **Features** - Ultra-small CO2 inflator - Suitable for 16 and 25 gram threaded cartridges - Compatible with Presta (SV) and Schrader (AV) valves - Material: CNC machined aluminum - Dimensions: 2.8 x 1.5 x 1.5 cm - Weight: 8.2 grams *Note: Releasing gas from the cartridge produces cold. Therefore, we strongly recommend wearing gloves during use.* **Delivery includes**: 1 x Topeak Nano AirBooster CO2 pump head