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; 16 g threaded cartridges.
FEATURES:
- CNC machined aluminium (valve head), Neoprene (grip)
- Size : 4.2 x 2.3 x 1.4 cm (valve head)
- Weight : 15g
- Includes : 3 x 16 g cartridges & 1 neoprene grip
