FR-1 Tool: Too Big for Shimano Freewheel?
06-29-16, 08:30 PM
#1
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FR-1 Tool: Too Big for Shimano Freewheel?
This Shimano freewheel of mine is a 12-spline model. The date code appears to be YH (1974). My Park FR-1 will not fit. The diameter of the tool is too large. And it appears the freewheel splines are smaller than those of the tool. I can't find an appropriate tool on the Park website. Those that look correct, are also too wide.
There are also two round prong holes outside the twelve splines of the freewheel. But using a spanner will likely not work for lack of grip.
I'd prefer to buy the tool for under $10 instead of taking it to the LBS if one is available.
Thoughts?
There are also two round prong holes outside the twelve splines of the freewheel. But using a spanner will likely not work for lack of grip.
I'd prefer to buy the tool for under $10 instead of taking it to the LBS if one is available.
Thoughts?
06-29-16, 08:39 PM
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It's a generational thing.
The old design called for the axle to be removed, or on hubs of the era, only a 10-15mm thick threaded spacer block, which came off easily leaving the actual locknut home to maintain the cone adjustment.
Later on Shimano figured out that if they enlarged the spline somewhat, a thin walled remover could fit between the freewheel and axle, making removal simpler. (actually credit should go to Phil Wood, who introduced the design for a remover for Atom/Maillard freewheels).
Search the net for "old" Shimano freewheel remover, or "Shimano Boss freewheel remover"
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If you don't find a remover at a reasonable price, most older bike shops and co-ops still have them so you could pay for the removal. Or you can find a large hex head bolt that will jam in the splines (helped by some careful grinding to fit). Then it can be gripped by the shank and used as a remover (with the axle removed).
The old design called for the axle to be removed, or on hubs of the era, only a 10-15mm thick threaded spacer block, which came off easily leaving the actual locknut home to maintain the cone adjustment.
Later on Shimano figured out that if they enlarged the spline somewhat, a thin walled remover could fit between the freewheel and axle, making removal simpler. (actually credit should go to Phil Wood, who introduced the design for a remover for Atom/Maillard freewheels).
Search the net for "old" Shimano freewheel remover, or "Shimano Boss freewheel remover"
-------
If you don't find a remover at a reasonable price, most older bike shops and co-ops still have them so you could pay for the removal. Or you can find a large hex head bolt that will jam in the splines (helped by some careful grinding to fit). Then it can be gripped by the shank and used as a remover (with the axle removed).
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An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
Last edited by FBinNY; 06-29-16 at 09:04 PM.
06-29-16, 08:43 PM
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that pic looks like what i need, as its splines are more narrow than my FR-1.
is this tool sold on ebay or elsewhere?
.
is this tool sold on ebay or elsewhere?
.
06-29-16, 08:56 PM
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Bicycle Research CT-4:
Shimano Splined Freewheel Remover (pre-1985)
Shimano Splined Freewheel Remover (pre-1985)
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06-29-16, 09:46 PM
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thanks, guys.
i purchased this tool for $13 shipped:
Shimano Splined Freewheel Remover (pre-1985)
hope it works!
i purchased this tool for $13 shipped:
Shimano Splined Freewheel Remover (pre-1985)
hope it works!
06-30-16, 07:16 AM
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If only they had used the same spline pattern as Atom/Maillard/Regina/Zeus/Everest there'd be one less tool we'd need to buy.
06-30-16, 09:32 AM
#8
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Shimano produced freewheels using the Atom/Maillard/Regina/Zeus/Everest spline pattern for Schwinn from 1970 through '82. In fact the only material difference between those branded "Schwinn Approved Model J" vs. "Shimano" was the spline pattern. Could there have been a licensing issue with spline patterns at the time?
