Roar Control features Birzman's patented 'Turn Pierce Function' with a build-in valve that allows for effortless, controlled inflation by turning the cartridge to increase, decrease or stop the flow of CO2.
Turn the cartridge clockwise to puncture and close the valve; counter-clockwise to open the valve and release CO2.
Compatible with both Presta and Schrader valves; 16g threaded cartridges.
- Head - CNC machined aluminium (valve head), Neoprene (grip)
- Size - 4.2 x 2.3 x 1.4cm (valve head)
- Weight - 15g (valve head)
- Includes - 3 x 16g cartridges & 1 neoprene grip