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PostPosted: Thu Jul 31, 2008 9:16 am 
Dirt Disciple

Joined: Sat May 10, 2008 7:45 am
Posts: 36
Location: Lancashire
I am having terrible trouble getting clean shifting with my Shimano levers and Campy 7 speed screw-in block. However I adjust the derailleur, I can't get clean shifting right across. It's almost as if the spacing is wrong. Any ideas?

The lever will do 8 speed - what options do I have for upgrading the wheels to an 8 speed cassette arrangement so that I can get a wider range of gears for my local hills?


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PostPosted: Thu Jul 31, 2008 10:18 am 
Retro Guru

Joined: Sun May 14, 2006 5:38 pm
Posts: 936
Location: Sussex
Spacing between Campag and Shimano cogs is slightly different as is the lever throw. You can usually get an acceptable result but it will not be *perfect*.


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PostPosted: Thu Jul 31, 2008 11:05 am 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8213
Location: New Forest, UK
Campag 7,8 and Shimano 7 have the same cog pitch (5mm)
Shimano 8 is 4.8

You have to match Campag mech with Campag shifter, or Shimano with Shimano.

So if you have Shimano 7 levers and mech, you should be OK. Shimano 8 will shift 0.2 out on each, but can usually be persuaded to work. Set it up on cog 3 or 4 not 1.
I would check the cables are well oiled next.


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PostPosted: Thu Jul 31, 2008 3:05 pm 
Retro Guru
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Joined: Fri Jan 26, 2007 9:58 pm
Posts: 629
Location: USA, sigh...
always check with the guru...

http://sheldonbrown.com/k7.html#10cassettes


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PostPosted: Thu Jul 31, 2008 7:14 pm 
.o.T.M Triple Crown Winner
.o.T.M Triple Crown Winner
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Joined: Tue Dec 11, 2007 6:07 pm
Posts: 3042
Location: Finland
Sometimes it helps when you change cable other side of screw at rear mech.


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