Bike Forums - Shimano 9sp to 7sp hub question

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cs1	07-15-06 06:30 PM

Shimano 9sp to 7sp hub question

Can you run a 7 sp cassette on a current 9 sp freehub with a spacer? If not can you swap a 7 sp freehub body on the hub and redish the wheel? Sounds crazy but I have an almost new Deore 7 speed group that I want to swap out on a cross bike project.

Tim

Sheldon Brown

07-15-06 06:56 PM

Quote:

Originally Posted by cs1

Can you run a 7 sp cassette on a current 9 sp freehub with a spacer?

Sure. You need a 4.5 mm spacer. Any decent bike shop should be able to provide this.

Sheldon "Space, The Final Frontier" Brown

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|  I reckon there's more things told than are true,  |  

|  And more things true than are told.               |

|                                 --Rudyard Kipling  |

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cs1	07-15-06 07:13 PM

Quote:

Originally Posted by Sheldon Brown

Sure. You need a 4.5 mm spacer. Any decent bike shop should be able to provide this.

Sheldon "Space, The Final Frontier" Brown

Code:

+----------------------------------------------------+

|  I reckon there's more things told than are true,  |  

|  And more things true than are told.               |

|                                 --Rudyard Kipling  |

+----------------------------------------------------+

Something told me you would know the answer to this. Thanks for the help.

Tim

acorn_user

07-16-06 04:43 PM

I doubt this would meet with universal approval, but i am doing what you want to do. I am using a knackered cog from an old cassette as the spacer. Works just as well so long as you don't look at the ugly old thing!
Who needs 9 speeds anyway! (he says clutching 10 speed centaur bits)

Grand Bois

07-16-06 05:05 PM

This one is a seven speed with a nine speed wheel. I think I probably got the 4.5 mm spacer from Sheldon.

http://community.webshots.com/photo/...68014369opcapm

The rear derailer and front hub are Ultegra. I like to be different.

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