Campy vs. Shimano cog spacing - the same?

BenR · Jul 31, 2008

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?

Max P · Jul 31, 2008

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*.

hamster · Jul 31, 2008

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.

dookie · Jul 31, 2008

always check with the guru...

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

Shamus · Jul 31, 2008

Sometimes it helps when you change cable other side of screw at rear mech.

Campy vs. Shimano cog spacing - the same?

BenR

Dirt Disciple

Max P

Senior Retro Guru

hamster

Retro Wizard

dookie

Shamus

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