The Crank Brothers Gem Pump is a lightweight dual stage hand pump which is designed with a patented high-volume/high-pressure switch technology. This pump is designed with a hybrid alloy/composite construction that minimises weight without impacting on performance. These pumps come with a convertible head which makes it suitable for Presta and Schrader valves, while the high volume mode offers quick inflation . For convenience all Gem pumps include a bottle cage bracket mount for convenient on-bike storage.
- Air switch: High volume / high pressure
- Length: 176mm
- Pressure: 100+psi / 7+bar
- Warranty: 5 years
- Weight: 131g