Mfjuns 5 pcs presta valve adaptors 10 pcs bike tire caps bike valve stem adapter for mountain bikes cars bike accessories.
Mountain bike valve stem adapter.
Get it as soon as wed sep 23.
The adapter effectively converts your presta valve to a schrader valve so that you can use a traditional air pump to inflate it.
The presta valve is on the left.
Unlike a schrader the system doesn t use a check valve it seals entirely based on pressure in the tube or tire.
This is typically found in bicycle tubes on many road bikes and some mountain bikes.
Strong first light second and often not cheap bontrager has never cut corners when it comes to something as important to safety as a bike stem.
Since the stem on the presta is a lot narrower it allows for manufacturers to make narrower wheels and tires.
They tend to hold air better than schrader valves.
Hi in this video i show how i pump inflate a mountain bike bicycle tire schwalbe nobby nic with presta valve.
Free shipping on your first order shipped by amazon.
Attach your air pump and inflate the tire to the recommended pressure.
More buying choices 4 59 2 used new offers.
Now install the adapter by carefully threading it clockwise onto the valve stem s threads.
The valve stem opens by unscrewing a knurled textured nut at the top.
But having a safe stem shouldn t mean limited sizing options that s why bontrager stems come in a wide variety of lengths and rises.
Mfjuns 5 pcs presta valve adaptors 10 pcs bike tire caps bike valve stem adapter for mountain bikes cars bike accessories 4 6 out of 5 stars 592 4 99 4.
Mfjuns 5 pcs presta valve adaptors 10 pcs bike tire caps bike valve stem adapter for mountain bikes cars bike accessories 4 6 out of 5 stars 612 4 99 4.