Crankbrothers GEM Hand Pump Compact and Lightweight - Black Category_Tubeless 1/2"x11/128" | Compatibility: SHIMANO

1/2"x11/128" | Compatibility: SHIMANO

with its 'composite' designation is derived from its 30% carbon fiber content

mountain bikes or hikers

has passed IPX7 waterproof test

30 Day FREE Trial of Ride with GPS for new Ride With GPS Premium users

Crankbrothers GEM Hand Pump Compact and Lightweight - Black Category_Tubeless 1/2"x11/128" | Compatibility: SHIMANOGEM 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