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Re: Problem fitting a bicycle tyre [Re: skinflint] #1390827
10/11/2012 11:11
10/11/2012 11:11
Joined: Mar 2006
Posts: 8,852
Cambridge & Cotswolds
M
MeanRedSpider Offline
Je suis un Coupé
MeanRedSpider  Offline
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M

Joined: Mar 2006
Posts: 8,852
Cambridge & Cotswolds
Blimey - there's an example (if one wereneeded) of "Buy cheap, buy 6 Times"

I can thoroughly recommend the Topeak Road Morph. Easy to use, reasonably compact, hose, pressure gauge. I keep one at work and loads of people borrow it and really like it.

Re: Problem fitting a bicycle tyre [Re: skinflint] #1390836
10/11/2012 12:13
10/11/2012 12:13

R
RobShed
Unregistered
RobShed
Unregistered
R



I've had a Joe-Blow but the locking mech was a bit fragile, otherwise good enough for 125psi.
As stated earlier in the thread, Genuine Innovations are Top Dog.
http://www.evanscycles.com/products/genuine-innovations/top-dog-st-track-pump-with-gauge-ec022120

Last edited by RobShed; 10/11/2012 12:18.
Re: Problem fitting a bicycle tyre [Re: skinflint] #1390837
10/11/2012 12:20
10/11/2012 12:20
Joined: Dec 2005
Posts: 21,071
Chertsey in the Thames
bockers Offline
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bockers  Offline
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Joined: Dec 2005
Posts: 21,071
Chertsey in the Thames
If you are going for a frame pump the nothing beats a zefal hpx.

Re: Problem fitting a bicycle tyre [Re: skinflint] #1390869
10/11/2012 15:54
10/11/2012 15:54
Joined: Feb 2007
Posts: 3,280
West Berks
skinflint Offline OP
I need some sleep
skinflint  Offline OP
I need some sleep

Joined: Feb 2007
Posts: 3,280
West Berks
The Muddy Fox track pump was an absolute steal at £10, but finding the same bargain in portable form seems impossible.

I also tried a Bikemate mini pump the other day. Every fibre of my being couldn't get more than about 55 psi in the tyre.

I had a look at the Topeak Road Morph today and it seems like a great idea - a really portable track pump with a flexible hose.
The Lezyne also seems to be really well thought of, but I think I've had enough of mini pumps and £32+ is a bit more than I was hoping to spend.

The HPX looks interesting, and perhaps this is what Topeak were copying with the Road Frame pump. If the Topeak Joe Blow locking mech was fragile the HPX one looks like it has metal in it.

The reviews are incredible too..

"My first Zefal pump survived 32 years of solid use and abuse including two trans-European tours; numerous tours in Australia. It is still working despite having been run over by a car recently! Not only a top pump but it proved to be excellent at fending off semi-wild Turkish dogs and the occasional urban canine! This new Zefal HPX has a proud tradition to live up to and so far it is excellent."

Do you tend to store them vertically along the upright, or horizontally under the crossbar?
One of the reviews suggested that vertical stowage was better?

Re: Problem fitting a bicycle tyre [Re: skinflint] #1390879
10/11/2012 16:33
10/11/2012 16:33
Joined: Mar 2006
Posts: 8,852
Cambridge & Cotswolds
M
MeanRedSpider Offline
Je suis un Coupé
MeanRedSpider  Offline
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M

Joined: Mar 2006
Posts: 8,852
Cambridge & Cotswolds
The Lezyne is great until it unscrews the valve insert as you remove the hose - then you curse it with your dying breath.....

Re: Problem fitting a bicycle tyre [Re: skinflint] #1391723
14/11/2012 19:55
14/11/2012 19:55
Joined: Feb 2007
Posts: 3,280
West Berks
skinflint Offline OP
I need some sleep
skinflint  Offline OP
I need some sleep

Joined: Feb 2007
Posts: 3,280
West Berks
I received the Topeak Road 4349 today.
140 psi on the first go with about 165 pumps and not too much effort.

click to enlarge
It fits both bikes vertically and is also short enough to go in the bag.
RRP is around £20 I think.

The only issue is the way the seal works. It is quite tight and will let down the tyre as you put the pump on, but then it grips really tight so you don't need to worry about air escaping.

Re: Problem fitting a bicycle tyre [Re: skinflint] #1391762
14/11/2012 23:50
14/11/2012 23:50

R
RobShed
Unregistered
RobShed
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R



TIP 1: Never open the Presta valve fully ..
It can bottom-out in the bottom of the well off the pump head, as you've experienced with pressure loss.
The valve can also get bent and fracture.
Promotes the removable valve core coming loose.
TIP 2: Always release a little pressure before you put the pump head on.

Re: Problem fitting a bicycle tyre [Re: skinflint] #1391817
15/11/2012 10:14
15/11/2012 10:14
Joined: Feb 2007
Posts: 3,280
West Berks
skinflint Offline OP
I need some sleep
skinflint  Offline OP
I need some sleep

Joined: Feb 2007
Posts: 3,280
West Berks
Thanks Rob,
I have been opening the thumbscrew all the way so will do this different in future.
The pressure loss is because the rubber ring in the head is actually narrower than the thumbscrew on the valve so it pushes the valve head in as you slide it on achieving TIP2 that you mention.
But once on it holds itself in place where other pumps need constant pressure. I guess you can't have it both ways and this way is a lot less tiring.

Re: Problem fitting a bicycle tyre [Re: skinflint] #1416078
15/03/2013 09:33
15/03/2013 09:33
Joined: Feb 2007
Posts: 3,280
West Berks
skinflint Offline OP
I need some sleep
skinflint  Offline OP
I need some sleep

Joined: Feb 2007
Posts: 3,280
West Berks
I just read this and it recommends inflating to 20 psi and then correcting high / low spots.
Fixing a flat fast

There are some other good ideas in there too.

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