The question, “Presta or Schrader?”, may seem confusing when you’re new to cycling and head to a bike shop to buy a replacement inner tube. For the vast majority of bikes, there are two types of valve ...

When that tool is in turn unscrewed from the black-anodized-aluminum bottom half of the FIX, the latter can be used as a CO2 inflator. It attaches to a tire's Presta or Schrader valve at one end, and ...

If the cylinder heads are on the engine, you will need to add air pressure to the cylinder to hold the valves in place. Our example is the Craftsman 47089 compression test kit using the 14mm long ...