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CRANKBROTHERS

CRANKBROTHERS GEM S Silver Hand Pump

The CRANKBROTHERS GEM S hand pump is a compact two-stage pump: its patented air selector lets you inflate quickly in high-volume mode up to... Read more
19,99 €
19,99 €
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Highlights

  • Patented high-volume / high-pressure air selector
  • Convertible head for Presta and Schrader valves
  • Hybrid alloy / composite construction: lightweight and rigid
  • 100+ psi / 7+ bar at just 131 g and 177 mm
  • Bottle-cage mounting bracket included
  • 5-year manufacturer's warranty

Description

The CRANKBROTHERS GEM S hand pump is a compact two-stage pump: its patented air selector lets you inflate quickly in high-volume mode up to 40 psi, then switch to high-pressure mode to reach 100 psi without straining.

Its convertible head fits Presta and Schrader valves, while its hybrid alloy / composite construction provides good rigidity at just 131 g. At 177 mm long, it slips into a jersey pocket or mounts to the frame.

Bottle-cage mounting bracket included. 

Technical information

Maximum pressure: 100+ psi / 7+ bar;
High-volume / high-pressure air selector (high-volume mode below 40 psi, high-pressure mode above);
Convertible head: Presta and Schrader;
Construction: alloy / composite hybrid;
Bottle-cage mounting bracket included;
Length: 177 mm;
Weight (manufacturer's figure): 131 g;
5-year manufacturer's warranty.

Features

Gauge
None
Body Material
Aluminium
Body Material
Carbon
For Valves
Presta
For Valves
Schrader
Maximum Pressure
7 bar / 102 psi
Flexible Hose
No
Bike Mount
Not Included
Weight
155 g
Length
205mm
;

Pricing information

*Supplier recommended retail price in March 2026