Gem Hand Pump Adapters This tape offers a smooth

This tape offers a smooth

Looking for a smart direct-drive trainer

Compatible with any 26''/ 700C bikes (max

Thanks to the biting middle and grip external studs you are always safe on the road

Gem Hand Pump Adapters This tape offers a smoothQuality hand pump for those emergency repairs! 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