Crankbrothers Gem Short Pump A Crankbrothers-designed pump that combines quality and affordability. The reversible head is compatible with both Presta (racing type) and Schrader (var type) valves. A large dual piston allows for two effortless modes: 1-40 psi high volume (for initial inflation) and 40-100 psi high pressure (for reaching the desired pressure). Crankbrothers Gem Short Pump Features: - Material: 6061-T6 aluminum - Pressure: 130 psi / 9 bar - Air Switch: High volume / high pressure - Mounting Bracket: Not included - Warranty: 5 years - Weight: 128g - Length: 176mm - Colour: Silver, Red, or Green