Identify This Freewheel; Missing Outer Cog?
03-22-20, 08:04 AM
#1
Zip tie Karen
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Identify This Freewheel; Missing Outer Cog?
There are no discernible markings. It fits the Park BBT 5, FR 11 freewheel removal tool.
The remaining five cogs are 14 to 28T. The mechanism feels and sounds very nice. It appears that I can add the outer 13T cog, if I could identify the maker. Thoughts on how to approach this?
Last edited by Phil_gretz; 03-22-20 at 08:07 AM.
03-22-20, 08:04 AM
#2
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03-22-20, 08:06 AM
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Nearly 3 threads exposed...are those enough?
It appears that the 14T cog doesn't match its neighbors, the 17 and 20.
Last edited by Phil_gretz; 03-22-20 at 08:09 AM.
03-22-20, 08:36 AM
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03-22-20, 08:51 AM
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First glance says Shimano
butithink the spacing may have been reduced to match early index. 7speed era
i would ask PastorBob
butithink the spacing may have been reduced to match early index. 7speed era
i would ask PastorBob
03-22-20, 09:19 AM
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Thanks very much for the fine job with the pictures Phil!
Absence of markings on face plate of body makes me think it a third tier product from a maker in a venue such as Formosa, Cathay or the subcontinent.
Removal splines appear of Shimano pattern.
Wonder if unused threads might be for a Schwinn type guard flange.
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Thanks very much for the fine job with the pictures Phil!
Absence of markings on face plate of body makes me think it a third tier product from a maker in a venue such as Formosa, Cathay or the subcontinent.
Removal splines appear of Shimano pattern.
Wonder if unused threads might be for a Schwinn type guard flange.
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Last edited by juvela; 03-22-20 at 02:52 PM. Reason: addition
03-22-20, 10:22 AM
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^ Interesting. Thanks. Whatever the source, the bearings and freewheeling mechanism feel well above average, in my experience.
03-22-20, 11:50 AM
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This is from my Schwinn Twinn. Different removal tool, though. Never realized I don’t own the tool! Good to know.
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03-22-20, 02:50 PM
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Thanks very much for posting!
Your block is a Normandy and takes the large diameter Normandy/Maillard remover.
Our subject block appears to be some sort of Shimano clone...
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Last edited by juvela; 03-22-20 at 02:59 PM. Reason: add image
03-22-20, 05:12 PM
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A Shimano freewheel using that tool should have Uniglide or Hyperglide profile teeth. I suspect it's one of the low-end freewheels; Falcon, DNP, etc.
03-22-20, 06:55 PM
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Good to know, thanks! So was Schwinn the only company to use the thread-on outer ring, or is that common on different brands?
03-22-20, 07:43 PM
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They are the only one with which I am familiar to employ this feature.
A state of affairs which means nothing, unfortunately.
There was a long period where Schwinn used gear blocks manufactured by Shimano with the guard feature. Recall those as employing a snap ring to hold the guard in place rather than the threaded arrangement seen on your Normandy gear block.
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They are the only one with which I am familiar to employ this feature.
A state of affairs which means nothing, unfortunately.
There was a long period where Schwinn used gear blocks manufactured by Shimano with the guard feature. Recall those as employing a snap ring to hold the guard in place rather than the threaded arrangement seen on your Normandy gear block.
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Last edited by juvela; 03-22-20 at 07:45 PM. Reason: spellin'
03-22-20, 09:57 PM
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Correct, and the Shimano-made Schwinn freewheels also featured a snap-in plastic shield to keep water from entering. This one doesn't have any cavity for such shield.
It's a modern-era generic freewheel from China or Taiwan, there are quite a few such makers.
Spacing should be 5.5mm between centers, not 5.0mm, though there are actually a couple of different brand/models of 5s freewheels that use a proprietary even-wider cog spacing, ostensibly to improve shifting on the cheapest of bikes having marginal shifters, cabling and derailers.
Freewheel cog c-c spacing can be difficult to read as the cogs are different diameters.
With 5.0mm cog spacing, a 1/8" Allen key will not be able to rotate (and should barely even fit) between the cogs.
It's a modern-era generic freewheel from China or Taiwan, there are quite a few such makers.
Spacing should be 5.5mm between centers, not 5.0mm, though there are actually a couple of different brand/models of 5s freewheels that use a proprietary even-wider cog spacing, ostensibly to improve shifting on the cheapest of bikes having marginal shifters, cabling and derailers.
Freewheel cog c-c spacing can be difficult to read as the cogs are different diameters.
With 5.0mm cog spacing, a 1/8" Allen key will not be able to rotate (and should barely even fit) between the cogs.
03-22-20, 10:20 PM
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Yeah, I've seen freewheels like the OP's before. I think they're just lower-end or fewer speeds, on some standard body that the manufacturer uses to make all their freewheels, thus saving money.
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03-23-20, 01:06 PM
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... standard body that the manufacturer uses to make all their freewheels.
