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Well that was different



 
 
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  #1  
Old July 27th 03, 09:18 PM
Danny Colyer
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Default Well that was different

I've had an interesting weekend for bike maintenance. At first I'd just
planned to change my front brake blocks. For the past 2000 miles I've
been looking at them and thinking "they've got a good few hundred miles
left in them yet". They've done just short of 2500 miles, which I'm
happy with.

While I was at it, I checked whether the back blocks needed changing.
They didn't, I just sanded them down a bit and put them back on. But
while I was readjusting them, I noticed a lot of sideways play in the
rear wheel at the rim.

I took the wheel off, had a fiddle in the jig and concluded that the
bearings needed tightening. So I did, then noticed a dreadful rattle
when I spun the wheel. I tried to get at the bearings to grease them
and possibly change them, but I just couldn't access them.

It looked like I'd be needing a new hub, so I started researching hubs,
trying to figure out the difference between a GBP10 hub and a GBP110 hub
(about all I managed to work out was that the Sram 9.0 hub that I'm
currently using is no longer made). Anyway, in the process I also found
several useful articles on freehub maintenance. 3 more times I went
down to the workshop, removed the rear wheel and cassette and tried to
access the bearings.

The final time was after reading Rumpelstiltskin Brown's advice on how
tight to tighten the hub. While doing that, I noticed that the rattle
seemed to be coming from the rim rather than the hub. The only way I
could be sure was to remove the tyre, so I did that and found that my
inner tube had a rattle. It seemed that whatever had caused the last
puncture in that tube was still floating around inside!

Anyway, I found it and used a corner to puncture the tube again and get
it out. It's a piece of glass, roughly an equilateral triangle with 6mm
sides. I've never had that happen before.

I'm glad I found it (it would only have been rattling around for a
couple of days, I fitted the tube after a puncture on Thursday morning),
and I'm glad I don't need to go to the trouble of replacing the hub just
yet.

--
Danny Colyer (remove safety to reply) ( http://www.juggler.net/danny )
Recumbent cycle page: http://www.speedy5.freeserve.co.uk/recumbents/
"He who dares not offend cannot be honest." - Thomas Paine


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  #2  
Old July 27th 03, 11:59 PM
Garry Broad
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Default Well that was different


I'm glad I found it (it would only have been rattling around for a
couple of days, I fitted the tube after a puncture on Thursday morning),
and I'm glad I don't need to go to the trouble of replacing the hub just
yet.


Bizzare!

But goes to prove the truism of 'Zen and that Art of Bicycle
Maintenance' - check everything, in order, carefully and methodically,
and the job will be done.

gb
often a bull in a china shop
  #3  
Old July 28th 03, 10:51 PM
Simonb
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Default Well that was different

Jim Price wrote:

The causes were car windscreens I smashed during accidents...


Precisely how many windscreens have you passed through?


  #4  
Old July 28th 03, 11:29 PM
Jim Price
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Default Well that was different

Simonb wrote:

Jim Price wrote:


The causes were car windscreens I smashed during accidents...



Precisely how many windscreens have you passed through?


Two. One front, one rear. Not in the same accident, I hasten to add.
Only one was on topic.

--
Jim Price

http://www.jimprice.dsl.pipex.com

Conscientious objection is hard work in an economic war.

 




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