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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  warped chain rings
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Author Topic: warped chain rings  (Read 1752 times)

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Offline priv

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warped chain rings
« on: May 21, 2007, 01:33 AM »
i've a slightly warped profile imperial ring,it's warped enough for the chain to be slack then tight as it spins,,any ideas as to how i can straighten it before the rubber mallet comes out????




cheers...priv

Offline Dingobmxer

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Re: warped chain rings
« Reply #1 on: May 21, 2007, 06:04 AM »
undo the bolt that screws into the crank arm and see if that cures it? Profiles sometimes have a mismatch on the two faces here (spindle hole and chinring bolt hole)
If it does then use really fine washer(s) to shim the gap between crank arm and chainring  :daumenhoch:
 :) DINGO :)

Offline priv

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Re: warped chain rings
« Reply #2 on: May 21, 2007, 08:05 PM »
thanks mate :daumenhoch: :daumenhoch:



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Offline Dingobmxer

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Re: warped chain rings
« Reply #3 on: May 21, 2007, 09:27 PM »
Do you want me to bring my tools with me next time we all meet up and set your bike up for ya mate?  :LolLolLolLol:
 :) DINGO :)

Offline priv

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Re: warped chain rings
« Reply #4 on: May 21, 2007, 09:34 PM »
Dean said the same thing :LolLolLolLol:



priv

Offline Dingobmxer

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Re: warped chain rings
« Reply #5 on: May 21, 2007, 09:43 PM »
Dean said the same thing :LolLolLolLol:



priv

what him set your bike up or me do both  :LolLolLolLol:

 :) DINGO :)

Offline priv

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Re: warped chain rings
« Reply #6 on: May 21, 2007, 10:30 PM »
no him to do mine 'cos he's got a bike stand and a tool box he thinks he's a bike mechanic :idiot2:



priv


Offline Dingobmxer

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Re: warped chain rings
« Reply #7 on: May 22, 2007, 05:58 AM »
you would need a step ladder to get to your bars then Adey  :LolLolLolLol:
 :) DINGO :)

ghostriderx

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Re: warped chain rings
« Reply #8 on: May 22, 2007, 11:26 AM »
no him to do mine 'cos he's got a bike stand and a tool box he thinks he's a bike mechanic :idiot2:


you would need a step ladder to get to your bars then Adey  :LolLolLolLol:
 :) DINGO :)



not biting today boys  :knuppel2:
priv i would need your bike for at least a couple of days to rectify all the faults ;) 

ghostriderx

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Re: warped chain rings
« Reply #9 on: May 22, 2007, 12:42 PM »
no him to do mine 'cos he's got a bike stand and a tool box he thinks he's a bike mechanic :idiot2:



priv



Here priv before we go any further take a look at YOUR bike on the left,, quality bit of cable fitting there Ady mate, can it be also used as a skipping rope.  :2funny: :2funny: :2funny: :2funny: :2funny: :2funny: :2funny:

fetch em round mate ffs  :LolLolLolLol:

Offline LucyLastic

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Re: warped chain rings
« Reply #10 on: May 22, 2007, 12:45 PM »
I have the same problem.  Thanks for the tips, guys.

Bitchy Roo

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Re: warped chain rings
« Reply #11 on: May 22, 2007, 01:39 PM »
no him to do mine 'cos he's got a bike stand and a tool box he thinks he's a bike mechanic :idiot2:



priv



Here priv before we go any further take a look at YOUR bike on the left,, quality bit of cable fitting there Ady mate, can it be also used as a skipping rope.  :2funny: :2funny: :2funny: :2funny: :2funny: :2funny: :2funny:

fetch em round mate ffs  :LolLolLolLol:

Deano i reckon the bike shop only had a rear cable to fit a tandem  >:D >:D

Offline priv

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Re: warped chain rings
« Reply #12 on: May 22, 2007, 01:40 PM »
skipping rope :2funny: :2funny: :2funny: you not so funny face to face are you,how long did it take to think of that?

priv



ps lower that seat rich

ghostriderx

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Re: warped chain rings
« Reply #13 on: May 22, 2007, 01:43 PM »
no him to do mine 'cos he's got a bike stand and a tool box he thinks he's a bike mechanic :idiot2:



priv



Here priv before we go any further take a look at YOUR bike on the left,, quality bit of cable fitting there Ady mate, can it be also used as a skipping rope.  :2funny: :2funny: :2funny: :2funny: :2funny: :2funny: :2funny:

fetch em round mate ffs  :LolLolLolLol:

Deano i reckon the bike shop only had a rear cable to fit a tandem  >:D >:D

 :2funny: :2funny: :2funny: :2funny: :2funny: :2funny:

ghostriderx

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Re: warped chain rings
« Reply #14 on: May 22, 2007, 02:49 PM »
skipping rope :2funny: :2funny: :2funny: you not so funny face to face are you,how long did it take to think of that?

priv



ps lower that seat rich

ffs dry your eyes  :LolLolLolLol:

Offline Dingobmxer

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Re: warped chain rings
« Reply #15 on: May 22, 2007, 06:54 PM »
no him to do mine 'cos he's got a bike stand and a tool box he thinks he's a bike mechanic :idiot2:


you would need a step ladder to get to your bars then Adey  :LolLolLolLol:
 :) DINGO :)



not biting today boys  :knuppel2:
priv i would need your bike for at least a couple of days to rectify all the faults ;) 

Then you would need to look at a picture of my bike to see its done right eh Deano  :LolLolLolLol:

 :) DINGO :)

ghostriderx

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Re: warped chain rings
« Reply #16 on: May 22, 2007, 07:19 PM »
mmmm....i suppose you are good for the odd technical reference dingo  :LolLolLolLol:

Offline priv

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Re: warped chain rings
« Reply #17 on: May 22, 2007, 07:42 PM »
i ended up sacking it off and putting the redline back on :LolLolLolLol:


priv

ghostriderx

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Re: warped chain rings
« Reply #18 on: May 22, 2007, 07:49 PM »
it did look a bit too warped for a bit of spacing Ady. but top tip from technical dingo aye :daumenhoch:

Offline Dingobmxer

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Re: warped chain rings
« Reply #19 on: May 22, 2007, 07:51 PM »
to check how warped it is lay it on a piece of glass, (table/window ect...) it will show if its warped or if the bolt is pulling it across  :daumenhoch:

 :) DINGO :)

Offline priv

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Re: warped chain rings
« Reply #20 on: May 22, 2007, 08:01 PM »
i'll try the mirror trick now mate :daumenhoch:



priv


edit : yup there's a lot of warp,it's fcuked. :LolLolLolLol:
« Last Edit: May 22, 2007, 08:09 PM by priv »

downhill3375

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Re: warped chain rings
« Reply #21 on: May 31, 2007, 10:43 PM »
that brake cable looks like a lassoo  ::)

ghostriderx

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Re: warped chain rings
« Reply #22 on: May 31, 2007, 11:08 PM »
very dangerous that........ ........ he should take it to the experts at halfords....... :P

Offline priv

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Re: warped chain rings
« Reply #23 on: May 31, 2007, 11:31 PM »
very dangerous that........ ........ he should take it to the experts at halfords....... :P


oh sketchys back :daumenhoch:


priv

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