CRANKBROTHERS Gem Bike Hand Pump - Short/Long Dual Piston Pump, Presta/Schrader,
Convertible head for Presta or Schrader valves. The best part about the Gem pump, however, is that, at 128 grams, you won't even know you have it until you need it. Part Type: Bike Spares. Lightweight hand pump, essential to any MTB rider.