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Gem

SKU: 16251

The compact, lightweight dual-stage hand pump, featuring patented high-volume/high-pressure switch technology.

  • Gem pumps feature a hybrid alloy/composite construction for low weight and high strength
  • Our lightweight Gem pumps also feature a convertible head for Presta or Schrader valves, and a patented high volume/high pressure air switch: use the high volume mode under 40 psi for quick inflation, then rotate the switch to the high pressure mode for easier pumping up to 100 psi
  • All Gem pumps include a bottle cage bracket mount for convenient on-bike storage

gravel

$26.99 USD $19.99 USD Save $7.00
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Weight 131g

Pressure 100+psi / 7+bar

Air Switch High volume / high pressure

Length 177mm

Bracket Mount Included

Warranty 5 years

Product Support

Support Document

Overall rating: 4.75 / 5 from 24 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["size","bag","volume","pump"].

Review highlights

Reviews

Like that it was a

"Like that it was a third of the price of all the pumps this size and it works well."

— Steven G. (5/5)

Excellent pump, light weight

"Excellent pump, light weight"

— Andrew M. (5/5)

Mega

"Gut für unterwegs"

— Olof B. (5/5)

Is this normal

"Broke after only 2. 5 years, while using it maybe 10-20 times."

— Simon (1/5)

Sweet little pump

"While it's true that with a little pump like this you'll be pumping for a while to get a tire up to speed, you can be assured you will get there with this pump. For and finish is top notch, and the switch between high volume and high pressure makes a noticeable difference. With tubeless tires, I rarely get flats these days, so realistically I'm not going to carry some mega pump. But when the time comes, I know this little pump will work because I tested it pumping a 29x2. 4 tire to 23 psi. It'll get you there but for sure it's an emergency pump."

— Thomas D. (5/5)

Perfect for road and mtb

"Perfect for road and mtb"

— Craig N. (5/5)

Exactly what I needed

"Exactly what I needed"

— SEAN M. (5/5)

Works well small compact

"Works well small compact"

— John Y. (5/5)

So versatile and convenient. Allows

"So versatile and convenient. Allows me to not to have to use, and throw away, CO2 canisters."

— Joseph V. (5/5)

very practical to carry on

"very practical to carry on a back pocket, cargo bibs or a little bag."

— David J. (5/5)

Q&A

How much volume per stroke (cc or cm3) un stage high volume ando preseure?? Thanks and regards!!
Hi Juan, thanks for your question. At low pressure mode, the theoretical volume per stroke would be 12 cc.