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Old 07-25-10, 11:41 PM   #1
caintuck
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Replace Shimano two-notch freewheel with spline type?

Hope I'm in the right forum.

I have a Shimano two-notch 600 freewheel (13 - 26) on a Shimano "Sealed Mechanism" large-flange hub laced to a 26- inch Ukai rim. Early 80's stuff I think. The freewheel is in pretty good shape and works, but it will wear out eventually. Do any of you freewheel experts out there know whether I can replace this freewheel with a spline type (such as an IRD) when the time comes? I don't think it's going to be easy to find a Shimano 600 two-notch freewheel.

Thanks in advance for any input.
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Old 07-25-10, 11:44 PM   #2
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I don't think it should be a problem. Sounds like a standard British threaded hub, in which you can install any freewheel that you want. A splined freewheel is a lot easier to remove than any 2 notch one. The 600 ones were a bit touchy to remove.
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Old 07-25-10, 11:55 PM   #3
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Quote:
Originally Posted by jacksbike View Post
A splined freewheel is a lot easier to remove than any 2 notch one. The 600 ones were a bit touchy to remove.
I never found any significant difference between the two. You do hold the tool on the wheel using the QR skewer, right?
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Old 07-26-10, 06:02 AM   #4
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I replaced this very freewheel with one of the hard to find Shimano 11-28 ones. No problems.
A Regina two-prong freewheel tool will also work on the older freewheel.

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Old 07-26-10, 07:16 AM   #5
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A Shimano 600 freewheel likely has the proprietary Shimano Dura Ace/600 design. A 'normal' 2 pronged freewheel tool will not fit without modification. You need this tool, as shown on Velobase:

http://velobase.com/ViewSingleTool.a...0B2&AbsPos=108
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Old 07-26-10, 03:18 PM   #6
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Thanks so much for the input. Thanks to input like this (and to the Park Tool Blue Book, and other sources) I'm learning about the tools I need and what can and can't be done. And I'm getting the info I need in order to talk intelligently with LBS pros. Much appreciated.
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