Mini-sized pump/CO2 inflator with oversized barrel specifically designed for high-volume mountain bike tyres. Innovative two-sided design features CO2 inflator on one side mini pump on the other. Efficient & smooth pumping action inflates MTB tyres to 90psi / 6 bar. Smarthead Threadlock with integral dust capCNC aluminium barrel & handle Side mount bracket (or optional centre mount bracket)CO2 cartridge included20.5x 4.5x 3.3cm140g