All Questions
21
questions
5
votes
2
answers
525
views
valve stem caps on tubeless tires
On my road bicycle with tubed tires ridden only on paved roads, I never used the caps that covered the tube stems. Now that I have switched to road tubeless tires, do I need to use the caps to reduce ...
- 51
3
votes
1
answer
246
views
When I press down on my presta valve cap when it is open why is no air coming out
I recently got my bike and it rides great. When I went to pump up the tubeless tires I realized that the presta valve cap isn’t letting air out when I press down on it when it is open. I looked on ...
0
votes
1
answer
80
views
Leaking valve hole
I tried different valves with no luck and used gorilla tape for inner wheel so I don’t think it’s the valves and I’ve taped it making sure.
I’ve covered all the holes. I am at my wits end with ...
2
votes
3
answers
575
views
Dunlop valve with schrader chuck compatibility
I have a dunlop (or woods) valve that I would like to inflate.
I am trying to avoid needing to screw on a chuck, so I was looking at some options online to be able to do this, but most chucks that ...
7
votes
5
answers
2k
views
Considering modern bicycle trends (2021), why are presta valves still the dominant design?
The usual trope justifying the use of Presta valves over Schrader valves is no longer logical (in my opinion at least) because of changes in wheel, rim, and tire systems. Let me exemplify by refuting ...
- 16.4k
3
votes
2
answers
224
views
Bits "peeling off" schrader valve?
I've got a bike that hadn't been used in a while until a couple weeks ago, it was in a place where it gets direct sunlight (I'm trying to fix that) and as a result some things like the seat have ...
1
vote
1
answer
422
views
How do I inflate this bicycle tire valve? [duplicate]
I inherited this bike with this funny looking stem. Is this broken? How do I inflate it?
- 111
10
votes
3
answers
4k
views
What air attachment screws onto a Presta valve with the core removed? High volume for seating bead?
I have presta valves on two of my bikes. I have a presta floor pump. I have an air compressor. I have a schrader adapter. I have a blowgun and a tire inflator for my compressor. I can attach the ...
- 201
2
votes
2
answers
15k
views
Can't get bike valve caps off
I will sound a bit thick but i'm no bike mechanic, to give you an idea of what make my bike is here are some pics (the bike isn't mine and the owner doesn't know).
the problem is that I cannot get ...
- 31
1
vote
2
answers
7k
views
Presta or shrader valve for mtb?
Is it better to use presta or shrader valve for tubeless conversion on a mtbike, 29" 2.20 tire, and why?
- 579
5
votes
4
answers
12k
views
Open up blocked Dunlop valves
When I try to pump my bike tires (Dunlop valves), the valves resist letting air in. It's as if I'm trying to pump air through a blocked valve. If I push really hard and I have a lucky day, something ...
- 153
2
votes
2
answers
1k
views
Compatibility of pressure gauge with valve
I have a tube with schrader valve, for which I want to buy a pressure gauge. Is there a specific type of nozzle for different types of valves?
How many types of such nozzles are available for ...
- 165
4
votes
2
answers
13k
views
Presta valve in a Schrader rim hole: How to use / do I need a rim hole reducer?
I have a road bike here with 622-16 wheels and Schrader valves. As I needed to replace a tube, I found that most options in the 622-23 size use Presta valves.
I read around a bit and found people ...
- 207
5
votes
3
answers
11k
views
How tight should your stem valve nut be?
I just got new schrader valve tubes that have the rim fitting nut on them.
Since this question has not been asked on here before, what is the proper tension that the nut should meet the rim? My ...
- 153
4
votes
1
answer
7k
views
Presta valve top screw missing
I am new to bikes and I realized the back tire valve is missing the top part of the valve , I inflated it but when I unscrew the pump it completely deflates. Can I buy that "screw" or I have to ...
- 143