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3
votes
3answers
154 views

How do I know when it's time to pump up my tires?

I've been cycling for several months now. However, I have had the misfortune of having two bicycles stolen from me, so I've never had a single bicycle for more than a few months. With time passing, ...
3
votes
2answers
5k 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 ...
0
votes
2answers
67 views

Kenda Kwest 100 psi tires (presta valve)

I am pretty new to bicycles. Got my hands on Kenda Kwest 100 PSI tires with presta valves and I have a couple of questions about inflating them. Using a floor pump, do I need to pump them a bit ...
0
votes
0answers
22 views

ascent floor pump [duplicate]

I have an ascent floor pump which does well but sometime in the last few years the guage now starts at 20 instead of zero. Is there a way to zero the guage. It seems to read the correct pressure once ...
4
votes
3answers
2k 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). ...
46
votes
14answers
39k 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?
3
votes
1answer
63 views

bike pump hose split

My bike pump hose keeps splitting in two halves. First time it split near the base of the pump (which i fixed by discarding the smaller piece and inserting the longer one to the base of the of pump) ...
4
votes
2answers
113 views

Brompton pump mount?

I have recently acquired a Brompton, which came with this zefal pump, which doesn't clip onto the frame: The rear frame on my Brompton doesn't appear to have the cage-like mounts that new models ...
5
votes
2answers
520 views

Is my Schrader valve spoilt?

(Tried searching this forum for this question but I couldn't find a question of the same type) Hello, I've been trying to pump my front tyre but to no avail. I could easily pump the back tyre but not ...
3
votes
1answer
185 views

Bicycle hand pump pressure gauge

Today I got my new bike pump. It is a two-way pump with pressure gauge, up to 100 psi, that I bought cheaply over the internet. When I tried to pump up my tire (Schrader valve) it seemed to be ...
3
votes
1answer
2k views

how to use “smart valve” pumps?

i got one floor pump with a so called "smart valve". it came with no instructions whatsoever. and I'm not smart enough to use it... I tried it on both type of tire valves, and no matter what i do, it ...
4
votes
1answer
2k 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?
5
votes
2answers
160 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 ...
0
votes
3answers
86 views

Presta valve pump or presta adapter

I have a bicycle with Presta valves. Should I buy a Presta pump or a Schader pump and a Presta-to-Schader adapter?
3
votes
1answer
98 views

Are HV/HP switchable pumps as capable as a specific HP or HV pump?

There are generally two big specialties for pumps. High Pressure (HP) or High Volume (HV). I ride Fat bikes, mountain bikes and road bikes, so I'm confused about buying a new pump to carry while on ...
19
votes
5answers
81k 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?
4
votes
1answer
166 views

Am I unscrewing my pump incorrectly?

I just bought a new mini pump (with a foot-stand and pressure gauge to get up to about 100psi), however, in order to get a good seal you have to screw the pump-head onto the valve. The issue is, ...
4
votes
3answers
563 views

Is it normal for a presta valve to unscrew into two pieces?

I have a Continental Road inner tube with a threaded presta valve. I also have a threaded bike pump which I screw onto the valve to inflate the tube. When I try to unscrew the pump, the uppermost ...
4
votes
1answer
90 views

Fix a broken floor pump, replace pump head

The little plastic lever to tighten the o-ring broke on my floor pump. It's probably fifteen years old. The model is a Pyramid Pro. The broken bit is highlighted in red. There's nothing else wrong ...
3
votes
1answer
90 views

Is pressure of presta valve hard to read by design?

I have dual system floor pump. When I use it with auto valve it is no brainer to use -- after attaching the pump I get the reading right away, I pump, with each stroke there is small spike in reading, ...
2
votes
2answers
104 views

trouble inflating tires

I've watched several youtube videos on inflating bike tires. i have presta valves on mine. When I the top is screwed completely on it works but i'm told this is just pressurizing the inside of my ...
11
votes
7answers
128k 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 ...
-2
votes
3answers
157 views

Does anyone make a push-push on/ pull-pull off bike pump?

Most current bike pumps require three hands to use - one to hold the tire, one to put the pump head on the valve and one to pull the lever back. 15 years ago, most bike pumps only required two hands ...
8
votes
5answers
4k 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 ...
1
vote
3answers
2k views

What do I do if my bike won't pump with an air pump at all?

My bike tires will not pump up at all. I tried forever. I had this bike for a year and then it won't pump at all. I have a pump you stand on and use your 2 hands to pump. At first it was pumping air a ...
2
votes
1answer
430 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?
2
votes
2answers
13k 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 ...
4
votes
1answer
1k views

What kind of portable pump should I carry when riding on a fat bike?

However, I just got a fat bike with 4.5in tires. I know that my portable hand pump takes a long time to pump mountain bike tires due to it being optimized for high pressure / low volume. What type of ...
3
votes
4answers
2k 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 ...
8
votes
6answers
6k 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 ...
5
votes
1answer
1k 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 ...
7
votes
3answers
12k 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 ...
2
votes
2answers
375 views

What is this pumping nozzle called?

My local bike shop have one of these green nozzles that anyone can use to pump their bike. They say that only companies can buy those, but I would really like such for my blue compressor. What I like ...
1
vote
2answers
352 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 ...
2
votes
3answers
3k 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 ...
1
vote
2answers
562 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 ...
2
votes
2answers
868 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 ...
6
votes
4answers
4k 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 ...
11
votes
2answers
2k 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 ...
3
votes
3answers
2k 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 ...
4
votes
2answers
9k 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 ...
0
votes
1answer
163 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 ...
4
votes
1answer
257 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 ...
0
votes
2answers
424 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 ...
1
vote
4answers
593 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 ...
10
votes
2answers
1k 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 ...
1
vote
1answer
245 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 ...
7
votes
3answers
3k 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 ...
1
vote
2answers
4k 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?
4
votes
2answers
1k 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 ...