The perfect CO2 inflator for Clik ValveA(R) users - lightweight, durable, and built for smooth, controlled bike tire inflation on every ride. Bicycle CO2 inflator with controlled release. Lightweight, machined aluminum construction. Clik Valve compatible. Easy-to-use Clik Valve inflation system. Control knob for precision air release. Increased airflow connection. Hardened steel internals. Includes 20g CO2 cartridge. Modern design. SPECS: Material: Aluminum Weight: 96g Dimensions: 124mm, 49mm, 32mm Features: Dial Control Release