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33
votes
13answers
17k views

What are advantages and disadvantages of CO2 inflators over frame pumps?

I have a frame pump that I've used on the road when replacing flats, but I always see CO2 inflators advertised at bike shops. Are they worthwhile for the potential weight savings?
17
votes
5answers
36k views

Can I use a gas station pump on a bike tire?

Someone pointed out that it may be risky, and it might not have the right kind of nozzle, but I don't have a bike pump at the moment. Does anyone else ever do this?
11
votes
2answers
862 views

What type is my bike valve, and why can't I pump it up?

so I've taken some pictures of the valve on my bike tyre (if you zoom out they look clearer...), below. Basically, it's a new bike and I have no experience around these things. The pump I have doesn't ...
10
votes
2answers
526 views

Is a seat post with an integrated pump a good idea?

I saw this http://www.premiumbikegear.com/biologic/convenience/postpump-seatpost.html and thought it seemed like a cool idea. But if it was really such a great idea, I would have expected to see more ...
8
votes
6answers
39k views

How to inflate a tire with a Presta valve?

My new bike has these thin tires with a type of valve I haven't usedbefore. I searched online and found out it's called a Presta valve, and it's pretty common and popular. I'm finding it annoying and ...
8
votes
4answers
368 views

How to know a good pump?

It's painful to pay the local price of 15-30€ for a pump that is "very good, durable and small". To me, it is just consumable that I will use until it breaks, so I have no interest in investing ...
8
votes
2answers
177 views

Buying a CO2 tyre inflater

I am thinking about buying a CO2 tyre inflater. I have never used one before and have 3 questions: Do they have enough pressure to get a road tyre up to full pressure (~100psi) When you use a ...
7
votes
3answers
2k views

Why does my floor pump only fill a presta valve tire after a pop sound?

I have had a generic floor pump from an online bike catalog company for years, and have filled many Schrader valve tires with it without any problems. I have recently started to use Presta valve ...
7
votes
5answers
3k views

How to safely remove pump off presta valve?

No matter what I try I can't seem to remove the pump off my threaded presta valve without injuring my hands on my wheel spokes. I'm beginning to think I'm doing something wrong. After unlocking, I ...
7
votes
4answers
922 views

What is the best floor pump?

I'm looking for a pump at home to use with my high pressure (100-120 psi) road bike tires. My bike has presta valves, but I would like to be able to use it on Scharder valves, should I get a bike ...
7
votes
4answers
2k views

How can I properly replace the hose on this older Schwinn pump?

I have the following Schwinn bike pump. It’s pretty old, perhaps 30 years or more. I like it a lot. Some years ago, I changed to Presta valves; for this I needed a new head. I got a Topeak ...
5
votes
6answers
2k views

What is the easiest and quickest way to pump up a tyre?

I find that I need to pump up my tyres at least weekly and am looking for how to make this quick and easy. So what is the easiest and quickest method of pumping up a bike tyre? As an example, I ...
4
votes
4answers
1k views

What happened to pumps?

I'm an old-time bike rider who commuted to grad school every day for 3 years on a bicycle. Then after a 20+-year-long hiatus, started riding again with my son. I cannot figure out the fitting on the ...
4
votes
3answers
5k views

Could I be pumping up my tyres the wrong way?

I now have my first road bike. When I am pumping up the tyres with what seems like a sturdy pump (that you stand on and push with two hands), I can barely get to around 100 psi, even putting my back ...
4
votes
2answers
507 views

Can I zero the gauge on my floor pump

I ordered a zefal husky pump, and it just arrived today. I am pretty excited about it. (Who doesn't get excited about pumps?) The downside is that the gauge is reading ~50psi instead of ~0psi I ...
4
votes
2answers
230 views

What is the lever on the head of my floor pump for?

I have a Wrench Force floor pump. There is a lever on the head of the floor pump which can be moved into one of two positions. What is this for? The pump automatically selects the correct valve and ...
4
votes
1answer
118 views

How to safely remove pump chuck from Schrader valve

I just pumped up my tire, and then ripped off the valve when trying to take the chuck off, and consequently the air. I've learned that I shouldn't twist when trying to remove the chuck, but what else ...
4
votes
0answers
342 views

Pressure gauge on my pump stuck at one value, what is wrong?

I have a Specialized Switch Hitter I have used for several years on both Presta and Schrader valves. Recently, my wife tried to inflate her tubes (Schrader valve) and could not get the pump to ...
3
votes
2answers
2k views

Can I use a shock pump to inflate a tube?

I know that shock pumps are meant for high pressure applications so that they can withstand high pressures needed by suspension shocks. However, can I use a shock pump to inflate my tire in a pinch ...
3
votes
3answers
1k views

Air compressor to fill up to 60 PSI

I am looking for an air compressor and wish to get one which is not under or over powered. I am looking at one in a catalogue which has the following attributes: 40 Litres/min free air delivery 1hp ...
3
votes
2answers
1k views

Mini Pumps For Roadbike (120 psi)?

I'd like to buy a mini pump to keep in my bike bag, but I have some doubts if these pumps are really that usable. My current pump is rated at 90 psi, but I would be surprised if it does 60. For ...
3
votes
1answer
540 views

How to correctly use an Avenir Airsource One bicycle pump

I have an Avenir Air-Source One pump that keeps popping off while trying to inflate the tires. can someone tell me how to correctly inflate the tires, without the pump popping off?
3
votes
1answer
474 views

Joe Blow Pump Maintenance

My Top Peak Joe Blow floor pump has been getting harder and harder to pump. I bought the high end model so that my 94 lb wife could pump up her own tires, but it has gotten to the point where I can ...
2
votes
2answers
238 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 ...
2
votes
3answers
923 views

Does a typical floor pump have an integrated one-way valve?

In order for a floor pump to work correctly, something has to make sure that when we pull the pump piston up, the air from the tire does not escape back into the pump. For that there should be a ...
2
votes
2answers
4k 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: ...
2
votes
3answers
264 views

Tire Gauge to Avoid Over-Inflation

I just purchased a tire floor pump with a gauge for my bike. The gauge seems to start off at 0 PSI when I connect the pump to the tire. So, do I need to use a separate tire gauge to first measure the ...
2
votes
3answers
433 views

Are there any generic hose extensions for frame pumps?

I see two kinds of portable frame pumps to carry with me on my riding: Pmps that have a flexible hose that is either integral or pulled out and/or screwed on (e.g. Topeak Road Morph, or Lezyne). ...
2
votes
0answers
135 views

remove “wrench force” floor bike pump from the schrader valve

It is embarrassing for me to say the number of tubes I have destroyed removing the chuck. Are there techniques or adapters I am missing? Or do I have a defective chuck?
1
vote
2answers
2k views

What kind of pump do I need for this valve?

This is the valve I have on my bike, but my current pump does not work with it. What kind of pump do I need to buy that will work with it?
1
vote
4answers
441 views

New pump - Topeak |Pocket Shock

I bought this new pump, but i think I made a mistake. I need it for my road bikes, with presta valves. I don't understand how I connect the pump to the presta. Is it even possible? do I need an ...
1
vote
2answers
3k views

Cannot fit pump nozzle properly to the presta valve of my tyre

I bought a Reebok Bike pump yesterday which is this one. I have presta valves for my Jamis Allegro Sport 2012 hybrid bike and I was trying to pump the tyres using the pump as part of my monthly ...
1
vote
1answer
163 views

What type of valve do shock pumps use?

Do all shock pumps use a schrader valve? I've just taken a look at a couple of product listings and found no mention of the valve type. I guess that might be to avoid people buying those pumps for ...
1
vote
2answers
139 views

Bike Floor Pump for Raleigh Talus 3.0

I'm trying to find a good floor pump for my Raleigh Talus 3.0 bike which I recently purchased. I don't know much about bikes and have seen that there are different valve types (i.e. - Presta and ...
1
vote
2answers
39 views

Sticky / broken floor pump head?

I have a Nashbar floor pump with an automatic Presta/Schrader head. The valve holes are on one side of the head and the air is supposed to switch to the hole with the valve inserted. It used to work ...
0
votes
2answers
217 views

How can I inflate Presta valve tires using a Presta compatible pump without bending the valve stem?

After my $20 floor pump from the hardware store gave out. I bought a rather more expensive one rated to 160 PSI. The pump has a metal nozzle on it, with a Schrader opening on one end and a Presta ...
0
votes
1answer
112 views

What kind of pump/attachment do I need for this? (picture)

I am having trouble identifying what tools I need to pump these tires. We bought some kind of kit that came with multiple attachments and none of them worked. Wondering if something is missing? All ...