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-   -   Presta valve (https://www.bikeforums.net/general-cycling-discussion/1226132-presta-valve.html)

sacr 03-24-21 01:55 PM


Originally Posted by njkayaker (Post 21982593)
If my mild statement was enough to set you off, you should probably stay off the internet.

How hard or inconvenient is using a pump?

Hmm, victim blaming? I see the way you want to fly.

How about reading carefully before you criticise.

Going back to the context of why some may have developed a preference for schraeder valves and using gas station pumps, perhaps you still haven't researched the nasty contraptions provided to try and inflate tyres in countries other than the US from years ago. I mentioned the horrible devices with flexible rubber hoses which would inevitably perish and leak within months and make using a hand pump a unpleasant chore:
https://www.ebay.com.au/itm/NEW-BIKE...D/351059883745

njkayaker 03-24-21 03:08 PM


Originally Posted by sacr (Post 21983046)
Hmm, victim blaming? I see the way you want to fly.

How about reading carefully before you criticise.

??? You aren't making any sense.


Originally Posted by sacr (Post 21983046)
Going back to the context of why some may have developed a preference for schraeder valves ...

I don't care what people prefer.

But some people are spewing nonsense about the "difficulty" of presta.

It's not a big deal to use presta. It's not a big deal using schrader.


Originally Posted by sacr (Post 21983046)
... perhaps you still haven't researched the nasty contraptions provided to try and inflate tyres in countries other than the US from years ago.

Ancient history.

wolfchild 03-24-21 06:56 PM


Originally Posted by njkayaker (Post 21982593)

How hard or inconvenient is using a pump?

Using a pump is a lost art and requires too much elbow grease. That's why 99.9 % of cyclists are using Co2 cartridges.

GlennR 03-24-21 07:20 PM

I remember, as a kid, that using the compressor at the gas station was a sure way to have a tube explode because the volume of air they put out.

At home I use a track pump and on the road I use Co2 since i rather not carry a pump.

Using a gas station is not really an option since most require you to pay for air these days.

BTW... Presta valve adapters are usually in a jar next to the register at the LBS for $1. Toss one in your saddle bag and you can use the compressor at the gas station.

https://images-na.ssl-images-amazon...._AC_SX466_.jpg

Bill in VA 03-29-21 02:03 PM


Originally Posted by wolfchild (Post 21981619)
After this thread finally expires around December 2021, another thread will be started about: "valve stem caps vs no valve stem caps".

:beer: I have to admit sometimes these BF threads reach the level of a medieval theological discussion. But I do not do group rides, so maybe it even has shunning...

wphamilton 03-30-21 02:03 PM


Originally Posted by Notso_fastLane (Post 21982376)
On a related note, I'm looking for a small pump to carry along that has both a presta and schrader head (like my floor pump) any recommendations?

I carry one similar to this which works for presta and shraeder. Much pumping to fill a tire, but it fits my small seat bag and has held up https://www.amazon.com/Mini-Bike-Pum.../dp/B07G2L39V2

tomato coupe 03-30-21 03:11 PM


Originally Posted by wolfchild (Post 21981619)
After this thread finally expires around December 2021, another thread will be started about: "valve stem caps vs no valve stem caps".

Why wait?
Schrader => yes
Presta => no

cyccommute 03-30-21 03:43 PM


Originally Posted by Notso_fastLane (Post 21982376)
On a related note, I'm looking for a small pump to carry along that has both a presta and schrader head (like my floor pump) any recommendations?

Topeak Morph. Pick a flavor with the features you like. There are at least 6 different models with a variety of features. The switch from Presta to Schrader and back isn’t as simple as some floor pumps. It does require a bit of disassembly but it’s not difficult.


My tires are all presta, but my airshocks are schrader. Also, it seems bikes around here are about 50/50 and I like to be able to help people if they have flats.
A pump that will work on tires isn’t going to work on a shock. The shock needs high pressure but very tiny volumes. The tires need low pressure but massive volumes. The tiny volume can be pumped easily even at high pressure. The high volume is much more difficult to get to high pressures. Most tire pumps also don’t have a pressure bleed valve on them. You need that to tune the pressure on the shock. But you only want to release a tiny amount of air because you only have a tiny amount if air in the shock.

cyccommute 03-30-21 03:50 PM


Originally Posted by GlennR (Post 21983581)
I remember, as a kid, that using the compressor at the gas station was a sure way to have a tube explode because the volume of air they put out.

At home I use a track pump and on the road I use Co2 since i rather not carry a pump.

Using a gas station is not really an option since most require you to pay for air these days.

The blow offs caused by gas station compressors probably had less to do with volume and more to do with the poor interface between the tire and the wheel. I always have to check small wheels on kids bikes when using a compressor at the co-op. The steel wheels on those bikes don’t use a good hook bead and will often slide off when filled from the hose. The speed of the air rushing into the tube seems too fast for the tire to react and it slips off the bead.

We do occasionally see a better quality bike with better aluminum wheels in small sizes. Those seldom have a problem. It could be a coefficient of friction problems as well.


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