Cycling Forums   View New Forum Topics
Today's Forum Topics

Set as homepage

Go Back   Cycling Forums > Tech Corner > Cycling Equipment > rec.bicycles.tech
User Name
Password
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read


Welcome to CyclingForums.com

You are currently viewing our website as a guest which gives you limited access to view most discussions. You will have to register before you can post to this thread.

By joining our free online community you will have access to post new topics, communicate privately with other cyclingforums.com members (PM), respond to polls, upload photos and access other special features like product reviews and classifieds.


Re: comments on this rim?

 
Thread Tools Search this Thread Display Modes
Old 08-04.-2004, 01:36 AM   #1
David Damerell
Guest
 
Posts: n/a
Default Re: comments on this rim?

Peter Cole <peter_cole_no_spam_at_all@comcast.net> wrote:
>"David Damerell" <damerell@chiark.greenend.org.uk> wrote in message
>>Peter Cole <peter_cole_no_spam_at_all@comcast.net> wrote:
>>>Presta valves aren't very fragile. If they're failing it's either a Q/C
>>>problem in manufacture or a pumping technique issue.

>>It's all too easy to bend the shaft once the valve has been unscrewed.
>>Yes, that's poor technique, but I'd describe something that breaks easily
>>with poor technique as fragile, especially when the alternative is not so
>>vulnerable.

>Maybe it's a difference in the tubes we buy, but I find the valves difficult
>to bend/break -- I've never bent/broke one.


I don't just mean the valve body, but the little nubbin on the threaded
shaft - if you're cack-handed, which I have been known to be, you can
easily use that nubbin to bend the shaft badly.

>bike), but I don't know how it's possible to put much force on the valve with
>the wheel off unless your hand slips.


I don't normally take my wheels off to pump them - I do far more weekly
maintenance inflation than post-flat inflation.
--
David Damerell <damerell@chiark.greenend.org.uk> Kill the tomato!
  Reply With Quote
Old 08-04.-2004, 10:08 PM   #2
David Damerell
Guest
 
Posts: n/a
Default Re: comments on this rim?

Peter Cole <peter_cole_no_spam_at_all@comcast.net> wrote:
>"David Damerell" <damerell@chiark.greenend.org.uk> wrote > Peter Cole
>>I don't just mean the valve body, but the little nubbin on the threaded
>>shaft - if you're cack-handed, which I have been known to be, you can
>>easily use that nubbin to bend the shaft badly.

>Oh, that. Yes, that does bend easily, but I don't think I've ever bent one of
>those either, they just seem to stay out of the way.


I don't anymore, but I used to before I worked out how not to. I think
it's reasonable to say that _in this respect_ the Presta valve is
inferior, because other valves are harder to break.
--
David Damerell <damerell@chiark.greenend.org.uk> Distortion Field!
  Reply With Quote



Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump



All times are GMT +10. The time now is 07:19 PM.


Powered by: vBulletin Copyright © 2000 - 2008, Jelsoft Enterprises Ltd.
Copyright © 2001 - 2006 cyclingforums.com