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Mini pump with or without a hose



 
 
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  #1  
Old November 13th 19, 10:15 AM posted to rec.bicycles.tech
Tanguy Ortolo
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Posts: 71
Default Mini pump with or without a hose

Hello all,

I am about to replace my mini pump with one that I would be able to
attach to the frame, and that would, hopefully, be more efficient.

While the old-fashioned mini pumps have a flexible hose, some of the
more recent ones do not. I have the impression that a flexible hose is
useful to avoid damaging the valve, but I wonder if this does not
degrades the performance (by which I mean, the ability to inflate a tire
to a correct pressure without excessive effort).

Do you have any advice on this matter?

Bicycly yours,

--
Tanguy
Ads
  #2  
Old November 13th 19, 10:29 AM posted to rec.bicycles.tech
Sir Ridesalot
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Posts: 5,270
Default Mini pump with or without a hose

On Wednesday, 13 November 2019 04:15:53 UTC-5, Tanguy Ortolo wrote:
Hello all,

I am about to replace my mini pump with one that I would be able to
attach to the frame, and that would, hopefully, be more efficient.

While the old-fashioned mini pumps have a flexible hose, some of the
more recent ones do not. I have the impression that a flexible hose is
useful to avoid damaging the valve, but I wonder if this does not
degrades the performance (by which I mean, the ability to inflate a tire
to a correct pressure without excessive effort).

Do you have any advice on this matter?

Bicycly yours,

--
Tanguy


Some mini-pumps with a hose even have a folding part that folds out so you can step on it, plus a folding pump handle and thus those pumps are like mini floor pumps. I think they're great for people who have trouble with a normal mini-pump. YMMV

Cheers
  #3  
Old November 13th 19, 10:41 AM posted to rec.bicycles.tech
[email protected]
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Posts: 824
Default Mini pump with or without a hose

On Wednesday, November 13, 2019 at 10:15:53 AM UTC+1, Tanguy Ortolo wrote:
Hello all,

I am about to replace my mini pump with one that I would be able to
attach to the frame, and that would, hopefully, be more efficient.

While the old-fashioned mini pumps have a flexible hose, some of the
more recent ones do not. I have the impression that a flexible hose is
useful to avoid damaging the valve, but I wonder if this does not
degrades the performance (by which I mean, the ability to inflate a tire
to a correct pressure without excessive effort).

Do you have any advice on this matter?

Bicycly yours,

--
Tanguy


A hose adds volume, which is significant with mini pumps. With the same stroke and diameter of the piston this results in less pressure. Another problem I saw in practice is that the inner of the valve gets unscrewed while unscrewing the hose after inflating. If I would use a mini pump I would choose for a non hose one and practice on my technique but I gave up on minipumps and use CO2 cartridges now. YMMV.

Lou
  #4  
Old November 13th 19, 01:51 PM posted to rec.bicycles.tech
Sir Ridesalot
external usenet poster
 
Posts: 5,270
Default Mini pump with or without a hose

On Wednesday, 13 November 2019 04:41:34 UTC-5, wrote:
On Wednesday, November 13, 2019 at 10:15:53 AM UTC+1, Tanguy Ortolo wrote:
Hello all,

I am about to replace my mini pump with one that I would be able to
attach to the frame, and that would, hopefully, be more efficient.

While the old-fashioned mini pumps have a flexible hose, some of the
more recent ones do not. I have the impression that a flexible hose is
useful to avoid damaging the valve, but I wonder if this does not
degrades the performance (by which I mean, the ability to inflate a tire
to a correct pressure without excessive effort).

Do you have any advice on this matter?

Bicycly yours,

--
Tanguy


A hose adds volume, which is significant with mini pumps. With the same stroke and diameter of the piston this results in less pressure. Another problem I saw in practice is that the inner of the valve gets unscrewed while unscrewing the hose after inflating. If I would use a mini pump I would choose for a non hose one and practice on my technique but I gave up on minipumps and use CO2 cartridges now. YMMV.

Lou


I bought a mini-pump with hose, folding pump handle and folding foot piece with a dual-head snap on chuck just like a floor pump, for my sister. There is no screwing of the hose to a valve. My sister loves it.

Cheers
  #5  
Old November 13th 19, 03:33 PM posted to rec.bicycles.tech
[email protected]
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Posts: 824
Default Mini pump with or without a hose

On Wednesday, November 13, 2019 at 1:51:09 PM UTC+1, Sir Ridesalot wrote:
On Wednesday, 13 November 2019 04:41:34 UTC-5, wrote:
On Wednesday, November 13, 2019 at 10:15:53 AM UTC+1, Tanguy Ortolo wrote:
Hello all,

I am about to replace my mini pump with one that I would be able to
attach to the frame, and that would, hopefully, be more efficient.

While the old-fashioned mini pumps have a flexible hose, some of the
more recent ones do not. I have the impression that a flexible hose is
useful to avoid damaging the valve, but I wonder if this does not
degrades the performance (by which I mean, the ability to inflate a tire
to a correct pressure without excessive effort).

Do you have any advice on this matter?

Bicycly yours,

--
Tanguy


A hose adds volume, which is significant with mini pumps. With the same stroke and diameter of the piston this results in less pressure. Another problem I saw in practice is that the inner of the valve gets unscrewed while unscrewing the hose after inflating. If I would use a mini pump I would choose for a non hose one and practice on my technique but I gave up on minipumps and use CO2 cartridges now. YMMV.

Lou


I bought a mini-pump with hose, folding pump handle and folding foot piece with a dual-head snap on chuck just like a floor pump, for my sister. There is no screwing of the hose to a valve. My sister loves it.

Cheers


In my world these don't fall in the category mini pumps. Depends on your reference of course.

Lou
  #6  
Old November 13th 19, 07:06 PM posted to rec.bicycles.tech
Sir Ridesalot
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Posts: 5,270
Default Mini pump with or without a hose

On Wednesday, 13 November 2019 09:33:46 UTC-5, wrote:
On Wednesday, November 13, 2019 at 1:51:09 PM UTC+1, Sir Ridesalot wrote:
On Wednesday, 13 November 2019 04:41:34 UTC-5, wrote:
On Wednesday, November 13, 2019 at 10:15:53 AM UTC+1, Tanguy Ortolo wrote:
Hello all,

I am about to replace my mini pump with one that I would be able to
attach to the frame, and that would, hopefully, be more efficient.

While the old-fashioned mini pumps have a flexible hose, some of the
more recent ones do not. I have the impression that a flexible hose is
useful to avoid damaging the valve, but I wonder if this does not
degrades the performance (by which I mean, the ability to inflate a tire
to a correct pressure without excessive effort).

Do you have any advice on this matter?

Bicycly yours,

--
Tanguy

A hose adds volume, which is significant with mini pumps. With the same stroke and diameter of the piston this results in less pressure. Another problem I saw in practice is that the inner of the valve gets unscrewed while unscrewing the hose after inflating. If I would use a mini pump I would choose for a non hose one and practice on my technique but I gave up on minipumps and use CO2 cartridges now. YMMV.

Lou


I bought a mini-pump with hose, folding pump handle and folding foot piece with a dual-head snap on chuck just like a floor pump, for my sister. There is no screwing of the hose to a valve. My sister loves it.

Cheers


In my world these don't fall in the category mini pumps. Depends on your reference of course.

Lou


These are 22cm to 34cm long to 9.5 inches).

Here are three examples.

https://www.mec.ca/en/product/5047-374/Mini-Roadie-Pump

https://www.mec.ca/en/product/5047-372/Mini-Zee2-Pump

https://www.mec.ca/en/product/5052-9...ge-Pump%28L%29

I think these mini-pumps are ideal for those who have trouble using a regular mini-pump and don't want to have to rely on CO2 inflators.

Cheers
  #7  
Old November 13th 19, 07:45 PM posted to rec.bicycles.tech
Ned Mantei[_2_]
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Posts: 81
Default Mini pump with or without a hose

On 13-11-19 19:06, Sir Ridesalot wrote:
On Wednesday, 13 November 2019 09:33:46 UTC-5, wrote:
On Wednesday, November 13, 2019 at 1:51:09 PM UTC+1, Sir Ridesalot wrote:
On Wednesday, 13 November 2019 04:41:34 UTC-5, wrote:
On Wednesday, November 13, 2019 at 10:15:53 AM UTC+1, Tanguy Ortolo wrote:
Hello all,

I am about to replace my mini pump with one that I would be able to
attach to the frame, and that would, hopefully, be more efficient.

While the old-fashioned mini pumps have a flexible hose, some of the
more recent ones do not. I have the impression that a flexible hose is
useful to avoid damaging the valve, but I wonder if this does not
degrades the performance (by which I mean, the ability to inflate a tire
to a correct pressure without excessive effort).

Do you have any advice on this matter?

Bicycly yours,

--
Tanguy

A hose adds volume, which is significant with mini pumps. With the same stroke and diameter of the piston this results in less pressure. Another problem I saw in practice is that the inner of the valve gets unscrewed while unscrewing the hose after inflating. If I would use a mini pump I would choose for a non hose one and practice on my technique but I gave up on minipumps and use CO2 cartridges now. YMMV.

Lou

I bought a mini-pump with hose, folding pump handle and folding foot piece with a dual-head snap on chuck just like a floor pump, for my sister. There is no screwing of the hose to a valve. My sister loves it.

Cheers


In my world these don't fall in the category mini pumps. Depends on your reference of course.

Lou


These are 22cm to 34cm long to 9.5 inches).

Here are three examples.

https://www.mec.ca/en/product/5047-374/Mini-Roadie-Pump

https://www.mec.ca/en/product/5047-372/Mini-Zee2-Pump

https://www.mec.ca/en/product/5052-9...ge-Pump%28L%29

I think these mini-pumps are ideal for those who have trouble using a regular mini-pump and don't want to have to rely on CO2 inflators.

Cheers


Or even a mini foot pump. I use an earlier model of one similar to that
shown he https://www.ohmybike.com/products/mini-foot-pump .
When I rode bikes with narrow tires that needed to be inflated to 7 bar
I had a lot of trouble using a "hand" pump. The foot pump was the
answer, at the expense of it weighing about 500 grams. I still use it
now because it also makes it easier to fill up fatter mountain bike
tires. And my aging back prefers to use the pump standing up rather than
bending down to pump by hand.

Ned
  #8  
Old November 13th 19, 11:20 PM posted to rec.bicycles.tech
Andre Jute[_2_]
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Posts: 10,422
Default Mini pump with or without a hose

On Wednesday, November 13, 2019 at 9:15:53 AM UTC, Tanguy Ortolo wrote:

I have the impression that a flexible hose is
useful to avoid damaging the valve,


Of course it is: it frees two hands for holding the pump steading and operating it. A pump head you have to hold on the valve while steadying the pump with the same hand as the other hand pushes the handle is a recipe for damaging fragile Presta valves.

Andre Jute
Not approved by weight weenies
  #9  
Old November 14th 19, 01:38 AM posted to rec.bicycles.tech
James[_8_]
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Posts: 6,153
Default Mini pump with or without a hose

On 13/11/19 8:15 pm, Tanguy Ortolo wrote:
Hello all,

I am about to replace my mini pump with one that I would be able to
attach to the frame, and that would, hopefully, be more efficient.

While the old-fashioned mini pumps have a flexible hose, some of the
more recent ones do not. I have the impression that a flexible hose is
useful to avoid damaging the valve, but I wonder if this does not
degrades the performance (by which I mean, the ability to inflate a tire
to a correct pressure without excessive effort).

Do you have any advice on this matter?

Bicycly yours,


I have two lezyne mini pumps. One is a "road drive"
https://ride.lezyne.com/products/1-mp-rddr-v2l04 and the other is I
think a HV (high volume) drive for fat tyre bicycles.

Both are excellent. The hose doesn't cause a noticeable loss of
pressure. I think there is a valve in the pump and of course at the
tube. For road bike Presta valves the hose can be pushed or screwed on.

Only issue is that sweat can cause the aluminium to corrode. Make sure
the hose threads have grease on them so when it is stored in the pump
handle it doesn't corrode in place so you cannot remove it when you need it.

--
JS
  #10  
Old November 14th 19, 02:06 AM posted to rec.bicycles.tech
JBeattie
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Posts: 5,870
Default Mini pump with or without a hose

On Wednesday, November 13, 2019 at 4:39:01 PM UTC-8, James wrote:
On 13/11/19 8:15 pm, Tanguy Ortolo wrote:
Hello all,

I am about to replace my mini pump with one that I would be able to
attach to the frame, and that would, hopefully, be more efficient.

While the old-fashioned mini pumps have a flexible hose, some of the
more recent ones do not. I have the impression that a flexible hose is
useful to avoid damaging the valve, but I wonder if this does not
degrades the performance (by which I mean, the ability to inflate a tire
to a correct pressure without excessive effort).

Do you have any advice on this matter?

Bicycly yours,


I have two lezyne mini pumps. One is a "road drive"
https://ride.lezyne.com/products/1-mp-rddr-v2l04 and the other is I
think a HV (high volume) drive for fat tyre bicycles.

Both are excellent. The hose doesn't cause a noticeable loss of
pressure. I think there is a valve in the pump and of course at the
tube. For road bike Presta valves the hose can be pushed or screwed on.

Only issue is that sweat can cause the aluminium to corrode. Make sure
the hose threads have grease on them so when it is stored in the pump
handle it doesn't corrode in place so you cannot remove it when you need it.

Pumps do need routine maintenance. https://www.youtube.com/watch?v=iYZ5Smx4FmQ It's easy to forget about them until its too late.

-- Jay Beattie.
 




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