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6 votes
3 answers
3k views

Is my pump faulty or my tyre?

I have recently bought a Specialized women's road bike and for the last couple of weeks was borrowing my boyfriend's hand pump with no real issues. Last night I finally purchased my own (Topeak ...
Suzy's user avatar
  • 91
4 votes
1 answer
246 views

What valves are these?

What valves are these, and why do each wheel have its own type?
user avatar
3 votes
2 answers
4k views

Can I approximate how much air pressure is lost from disconnecting the hose?

I have a floor pump intended for mainly rather low pressure tires. It lets out quite a bit of air from the hose when disconnected. Can I calculate (approximately) how much air pressure is lost by ...
JBeurer's user avatar
  • 173
2 votes
2 answers
8k views

How to Inflate Tires

I recently got a new beginners road bike: http://www.amazon.com/Takara-Kabuto-Single-Speed-Road/dp/B004W8LG1S/ref=cm_cr_pr_product_top And an air pump: http://www.amazon.com/Topeak-Pocket-Rocket-...
Matt's user avatar
  • 39
2 votes
3 answers
2k views

Usefulness of high-pressure/high-volume switch on a track pump

Among the track pumps (floor pumps) on the market, I see one advertised with the following feature: foot-activated high-pressure/high-volume switch I'm interpreting this to mean that the pump has ...
Sam7919's user avatar
  • 10.4k
1 vote
3 answers
124 views

Do I need a new tire pump or can I fix my old one?

My old bike pump psi gage shows a different pressure than my newer hand held tire gauge. Is there a way to fix the pump or do I need a new one?
Michael's user avatar
  • 11