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Old 06-23-06, 08:30 AM   #1
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Information on Frame Pumps

I've been thinking of installing a frame pump on my commuter. Since I know absolutely nothing about them I figured I'd ask you folks for some advice. My bike has the little knob on the inside of the head tube so I assume that is there for mounting a pump under the top tube. BTW, I already have a CO2 inflator but I want the extra pump just in case. Anyone have opinions on the best brand of pump?

Thanks,
Bob

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Old 06-23-06, 08:42 AM   #2
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Zefal frame pumps. I have an old hp and it still works. Plus it's handy to fight off dogs and ragin' cagers...
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Old 06-23-06, 08:50 AM   #3
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Frame pumps come in different sizes, best to bring your bike to the shop to assure you get one that fits. If you end up with a used one that's to small for your larger frame, you can buy a part that clamps around your top tube to hold the other end. Its also helpful to use a velcro strap for additional security holding the pump on the bike wherever you place it(I lost a brand new Zefal pump on a ride once many years ago!). Don
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Old 06-23-06, 08:52 AM   #4
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Do a forum search. Topeak Morphs are the best...
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Old 06-23-06, 09:33 AM   #5
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Quote:
Originally Posted by aadhils
Do a forum search. Topeak Morphs are the best...
Nice looking pump! Do you use it?
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Old 06-23-06, 09:37 AM   #6
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I do. It's a swell piece of equipment. Over a year and a half of trouble-free service. It's pretty much my favorite portable pump ever.
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Old 06-23-06, 09:38 AM   #7
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I have always used Zefal frame pumps and been happy with their performance. You do need to know distance from head tube to seat tube to get a secure fit, but most come with a clamp on strap that you can use if the pump is shorter than your top tube. On the downside, they can be a bit noisy and rattle when mounted under the top tube.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 06-23-06, 09:42 AM   #8
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Quote:
Originally Posted by jsharr
I have always used Zefal frame pumps and been happy with their performance. You do need to know distance from head tube to seat tube to get a secure fit, but most come with a clamp on strap that you can use if the pump is shorter than your top tube. On the downside, they can be a bit noisy and rattle when mounted under the top tube.
I looked on the Zefal site and for some reason they show sizing for the seat tube.

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Old 06-23-06, 09:44 AM   #9
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Nice looking pump! Do you use it?
Yep. Just yesterday, my rear tire had two explosion flats. The pump has'nt failed me yet.

p.s. I use a Topeak Road Morph.

edit: It even has a pressure gauge built in too.
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Old 06-23-06, 09:52 AM   #10
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Quote:
Originally Posted by aadhils
Yep. Just yesterday, my rear tire had two explosion flats. The pump has'nt failed me yet.

p.s. I use a Topeak Road Morph.

edit: It even has a pressure gauge built in too.
Looks like a winner to me. How and where does it attach to the bike?

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Old 06-23-06, 10:06 AM   #11
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It clamps on to the top, bottom or seat tube. Where ever there is space...

Here's a pic:

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Old 06-23-06, 10:15 AM   #12
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Quote:
Originally Posted by Mariner Fan
I looked on the Zefal site and for some reason they show sizing for the seat tube.

Possibly because many frames today no longer have a pump peg on the head tube? have not bought a new frame pump in years, just move the ones I have from bike to bike. I run an HPX for my roadie and it fits either as shown or under top tube. Just look at the four sizes and see if one is slightly longer than the distance from your head tube to seat tube under the top tube. The pumps are spring loaded and compress a bit to fit inot frame and then the spring tension holds them in place. The handle end has an indentation for the pump peg and the inflator head end has two braces shaped to fit tight against the seat tube and top tube on my hpx. I reccomended the zefal pumps because you stated that your bike has a pump peg, and I know that my hpx works in that situation. For best results, ride to the LBS and try some out on your frame in both positions. Nice part about this system is that there are no mounts to break, etc.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 06-23-06, 10:37 AM   #13
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I have been using Zefal frame pumps (hpx) with good results. Either mounted along the top tube or use the end of the rear QR as the bottom peg and wedge the top against the top lug where the seat tube, seat stays and top tube intersect. I find that they do rattle and it helps to use a velcro strap around them to stop the rattling. I have never heard anyone complain about the road morph and would like to try on but the zefal never seem to fail. I guess I need to buy another bike.
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Old 06-23-06, 12:17 PM   #14
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Quote:
Originally Posted by aadhils
It clamps on to the top, bottom or seat tube. Where ever there is space...
There's also a bottle-cage mount available, but it's not included with the pump... you have to contact Topeak and ask for it if you want one. Personally, I prefer it to the stock mount.
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Old 06-23-06, 01:15 PM   #15
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Quote:
Originally Posted by landstander
There's also a bottle-cage mount available, but it's not included with the pump... you have to contact Topeak and ask for it if you want one. Personally, I prefer it to the stock mount.
I've never had any success whatsoever with Topeak customer support, not a reply. From my prespective their support blows wad.
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Old 06-23-06, 02:44 PM   #16
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I went with the Zefal just so I didn't have to wire tie the pump bracket on. Thanks for all the help!
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Old 06-23-06, 03:15 PM   #17
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Quote:
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I went with the Zefal just so I didn't have to wire tie the pump bracket on. Thanks for all the help!
which one and where did you mount it? pics? and if was any help, you're welcome.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 06-23-06, 05:43 PM   #18
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Quote:
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which one and where did you mount it? pics? and if was any help, you're welcome.
It's a Zefal HPX size 4. I was at the LBS looking at both the Zefal and the Topeak. The guy there said that both pumps were great so it came down to ease of mounting and thought that it would look nicer without a tie strap. I'm still craving the Topeak pump though. I suppose I'll find out how well I like this pump the next time I have a flat.



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Old 06-23-06, 05:47 PM   #19
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Suggestion... with the pump in that position, there is a good chance that a good bump on the road will knock it loose... get a small bungie or velcro strap around the pump and frame to hold the thing in place and prevent loss. The pumps don't seem to jump loose as often when mounted vertically.

Don't ask me how I know.
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Old 06-23-06, 05:54 PM   #20
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It seems secure. Any of you Zefal guys have trouble with the pump staying in place? I would have to remove one of my bottle holders to mount it vertically and I don't want to do that. If I have to secure it with velcro then I probably should have just gotten the Topeak.
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Old 06-23-06, 06:11 PM   #21
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I have a the old Zefal hp underneath my top tube. It came with its own pump "peg", so it's mounted from the front triangle back to where I mounted the "peg", which is just before the seat tube. The pump pinches in nice and secure. I've never needed a strap, and the pump never comes loose even during the roughest road rides.
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Old 06-23-06, 06:31 PM   #22
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My previous Zefal HPX lasted about 10 years before suicidially jumping in front of a dump truck. They're a long-life product. I got another one. Great for hitting high pressure, too.
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Old 06-23-06, 10:59 PM   #23
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As stated earlier, I have had mine for years, so no, the pump coming loose has never been a problem for me. Also use a mount zefal on my MTN bike mounted under top tube and no problem there either.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 06-24-06, 10:22 PM   #24
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I use Zefal 4 in the top tube position and the 3 in the "English style". The latter uses the rear quick release as the pump peg and the top lug of the seat tube where the seat stays intersect as the location for the pump head. Only once have I had a pump come loose, but that was on a pretty extreme off-road section in nasty conditions. Somewhere along the line, on a long tour, I noticed that the pump handle rattles lightly against the pump body. This bugs me, so I now wrap a velcro band designed for holding pant-legs out of the chain around the pump and bike frame. Works, but makes impromtu games of "poodle polo" difficult.
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Old 06-25-06, 12:17 PM   #25
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I highly recommend a velcro strap to keep it on the frame. FIWI, I retired my frame pump because of a number of annoying things:

- rattled too much on the lousy pavement around here
- the little plug that keeps the the pump hole closed would never stay in place, rubbing my leg
- even with the velcro it would fall off sometimes (it would stay on, but flop around, dangerous on a big descent)
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