Crank brothers gem short mini pump
Crank brothers design and quality in an affordable package reversible head is compatible with presta schrader valves large dual piston allows 2 effortless modes 1 40 psi high volume and 40 100psi high pressure material 6061 t6 aluminium pressure 130psi 9bar air switch high volume high pressure mounting bracket not included warranty 5 years weight 128g length 176mm