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Tiagra 9sp. with 7sp. freewheel ???

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Tiagra 9sp. with 7sp. freewheel ???

Old 12-28-07, 07:09 AM
  #1  
brandenjs
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Tiagra 9sp. with 7sp. freewheel ???

I received a Tiagra 9sp. RD for next to nothing, will it work on a 7 speed Shimano HG freewheel with Shimano 7sp. SIS shifters. I would think that as long as the limit screws are adjusted correctly it would work with the range I need. I'm sure there are plenty of you guys out there who built a budget project and tried all kinds of combinations as the parts became available.
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Old 12-28-07, 07:25 AM
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Depends. If your largest cog is around 27 or 28 teeth it'll work fine. If your largest cog is 32 or 34 teeth the derailleur pulley will rub.
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Old 12-28-07, 12:58 PM
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Yeah I've got a 28 on there now. I was considering getting one of the megarange freewheels but thats quite a jump to the big cog. I'll give it a try. Thanks..
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Old 01-24-08, 04:03 PM
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Just a follow up on this thread....I put the RD on and a new freewheel along with a new chain and it works beautiful. A little fine tuning and off I went...
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Old 01-24-08, 07:56 PM
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Originally Posted by brandenjs View Post
I received a Tiagra 9sp. RD for next to nothing, will it work on a 7 speed Shimano HG freewheel with Shimano 7sp. SIS shifters. I would think that as long as the limit screws are adjusted correctly it would work with the range I need...
Keeeeerect!

Rear derailers don't care how many speeds, that's just marketing.

Sheldon " https://sheldonbrown.com/speeds " Brown
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