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2
votes
3answers
87 views

Tubeless conversion on schrader valve rims

Situtation I have an old hardtail collecting dust. I occurred to me that a rigid fork, and some wide (i.e. >50 mm), slick tires would make it a pretty ideal commuter for me. Then I thought it'd be ...
2
votes
1answer
78 views

Do tire / tube / valve combinations that don't leak air exist?

I'm not clear on why tire pressure decreases over time. I understand that air escapes through the tube. Possibly some leaks through the valve too? In any case, do tire / tube / valve combinations ...
1
vote
1answer
68 views

How to select a tube?

Hi I got a used bike and my experience with bikes is very limited. The tires and tubes are all broken so I need to get new ones. I found these tires: ...
2
votes
1answer
83 views

Do I Install Tape or Valve First on a Tubeless Rim

I've just unpacked a tubeless wheelset and I'm installing tape and the valve. Which goes first? The tape or the valve? My wheelset is the DT|Swiss Tricon R 1700. And the manual says: "Mount the DT ...
1
vote
2answers
162 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 ...
11
votes
2answers
897 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 ...
0
votes
1answer
115 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 ...
2
votes
1answer
527 views

Does valve stem diameter matter for my rims?

Got an old bike that I restored some time ago, and the original tubes literately burst on me today (I knew I should have replaced them long ago, they are probably 10 years old) and now I have some ...
4
votes
1answer
121 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 ...
1
vote
2answers
4k 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 ...
6
votes
2answers
827 views

Why do shock pumps use a Schrader valve?

After reading this question and answer, I was surprised to learn that most shock pumps use a Schrader valve. My mountain biking days are a distant memory, so I'm not well acquainted with the type of ...
8
votes
6answers
43k 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
2answers
393 views

Bicycle with 1 tire with Presta valve and 1 with Schrader valve

One simple question: I have a mountain bike that has 2 tires with schrader valves. I bought a new tube with a presta valve by mistake. Do you see any issues with replacing one of the tubes that had a ...
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?
2
votes
3answers
974 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
1answer
415 views

Is my valve faulty?

I'm not sure how to describe this problem. I'm fixing a puncture on my bike which is a road bike that requires pumping up to about 90psi. So I fix the puncture, and I pump it up. At first it's okay, ...
25
votes
7answers
5k views

Why are both Schrader and Presta valves still used on tubes?

It is standard for road bikes to adopt Presta, whereas nearly all else use Schrader. I personally think Schrader are better: I've had less Schrader valves break on me than Presta No problems if ...
1
vote
1answer
435 views

What's the longer-valve, metal-ring inner tube style called?

I have an innertube for a Chariot stroller that apparently came from Europe, and the local bike shop people couldn't find one in their catalogs that was both the right size and having the thing I'm ...
1
vote
4answers
448 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 ...
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 ...
17
votes
7answers
6k views

Does the plastic cap on a Presta valve serve any purpose once fitted to a rim?

I can see the use of the valve cap on a Presta valve when the tube is still packaged (it obviously stops the valve puncturing the tube), but does it do anything except look pretty (or not) once you've ...
5
votes
4answers
266 views

Why does my road bike come with only one valve adapter?

My front tire has the skinny valve (I believe it is a Presta) and so does my rear tire. But my rear tire also has a screw-on piece that goes over the valve which I believe to be an adapter. Do they ...
15
votes
7answers
1k views

Which kind of tube valve is the best?

What kind of valve is the best one, a Presta valve (6mm) or a Schrader valve (8mm). Which has the best reliability, which one is easiest to fix a flat on?