Crankbrothers Gem
Crankbrothers
Crankbrothers

Crankbrothers Gem

4.4

Best compact hand pump for mountain bikers needing reliable trailside inflation.

This is the rare pocket pump that actually makes roadside repairs feel manageable rather than a chore. The dual-piston design cuts inflation time significantly, trading a slightly bulkier feel for the kind of efficiency that gets you back on the trail before your legs even have a chance to cool down.

$26.99

Out of stock
Max Pressure Psi 100
Pump Type Mini Pump

Who it's for

  • Cyclists needing a versatile tool for both mountain and road tires
  • Minimalist riders prioritizing space and weight savings on long rides
  • Multi-bike owners who want one pump for their entire collection

Who should skip it

  • Inexperienced users prone to bending or breaking delicate valve stems
  • Road cyclists who frequently require very high tire pressures
  • Precision-focused riders who need exact tire pressure measurements

Performance breakdown

Inflation Efficiency

Dual-piston design makes quick work of flat tires on the trail.

Excellent

Portability

Compact aluminum frame disappears into a jersey pocket or saddlebag.

Excellent

Build Durability

Robust aluminum construction handles rough handling and trailside abuse easily.

Excellent

Valve Versatility

Seamlessly switches between Presta and Schrader valves without extra adapters.

Excellent

Pressure Precision

Lacks a gauge, requiring you to rely on feel for pressure.

Average

Ergonomics

Solid grip, though the small size limits leverage during high-pressure pumping.

Good

Key Specs

Weight

128 g

Length

176 mm

Material

Aluminum

Max Pressure

100 psi

Valve Compatibility

Presta and Schrader

Pump Type

Mini Pump

Has Pressure Gauge

No

Has Digital Gauge

No

Has Foot Pegs

No

Tubeless Tire Compatibility

No

Know before you buy

Still have a question?

Ask Metto anything about the Crankbrothers Gem before you decide.

Crankbrothers Gem

Ready to buy?

Cambria Bike
Cambria Bike
Out of stock
$26.99
Buy