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PostPosted: Thu Jul 18, 2013 2:52 pm 
retrobike rider
retrobike rider
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Joined: Sat Jul 14, 2012 3:03 pm
Posts: 1773
Location: In the village
+2

Front inner looks shot too.


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PostPosted: Thu Jul 18, 2013 5:06 pm 
Old School Hero

Joined: Mon Jun 17, 2013 11:07 am
Posts: 165
Quote:
That cassette looks toast to me.


Definitely thirded.


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PostPosted: Sat Jul 20, 2013 2:59 pm 
Road Moderator
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Joined: Thu Jun 18, 2009 1:07 pm
Posts: 4715
Location: Sheppey, Kent
...and fourthed :)


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PostPosted: Sat Jul 20, 2013 3:29 pm 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
Posts: 8218
Location: Cumbria
Mini-shark fins instead of teeth on the rear freewheel / casette :(

Fifthed..

Shaun


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PostPosted: Sat Jul 20, 2013 5:12 pm 
Retro Guru

Joined: Tue Jun 07, 2011 10:00 pm
Posts: 523
Location: Ely. UK
Yep, looks like a new rear block to me too.


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PostPosted: Mon Jul 22, 2013 4:00 pm 
PoTM Winner
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Joined: Tue Sep 25, 2012 7:21 pm
Posts: 1156
What he said ...


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PostPosted: Mon Jul 22, 2013 9:27 pm 
Retro Guru
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Joined: Thu May 03, 2012 7:13 pm
Posts: 2574
Location: The Cock Inn, Tillett, Herts
I've seen more meat in a veggies lunch box. ^+6


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PostPosted: Mon Jul 22, 2013 10:00 pm 
Retro Guru

Joined: Sun Aug 22, 2010 7:07 pm
Posts: 1321
Location: Cotswolds
50 years ago we would replace the cogs and chain at the same time. The chain does not stretch, but wear on the rivets and bushes makes it longer, so runs higher up the teeth and wears them. A new chain then tries to run where the previous longer chain ran, and then slips. This would only happen on the small cogs. The wear on the chainrings is unlikely to matter. I wonder if the chain is too wide, and catching on adjacent teeth. In that case it would run only on the largest cog.
Keith


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PostPosted: Tue Jul 23, 2013 9:17 am 
Retro Guru
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Joined: Wed Apr 25, 2012 2:08 pm
Posts: 2185
Location: Shrewsbury
As everyone else has pointed out your rear block is worn out. Not so much on the smallest cog, but if you compare the teeth on the small cog to the others you can see how worn they are.

The derailleur should have a retaining bolt and small plate which fits into the drop out and stops the derailleur twisting as you shift gear. I'd dump the derailleur and buy one of these:

http://www.ebay.co.uk/itm/I-D-drop-out- ... 2c709c5f79

Drill out the original gear mount and refit a new derailleur :)

EDIT* Just read the first part of your post and realised that's what you are planning :facepalm:


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