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Shimano FH-1051 UniGlide Rear Hub Dust Cover Broken. Need Advice, Please.

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Shimano FH-1051 UniGlide Rear Hub Dust Cover Broken. Need Advice, Please.

Old 10-09-18, 08:11 PM
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Doctor Morbius
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Shimano FH-1051 UniGlide Rear Hub Dust Cover Broken. Need Advice, Please.

I'm in the process of cleaning and repacking the bearings for a close friend's older Trek 1200 road bike. I accidentally broke the brittle plastic dust cap on the rear hub's drive side. See picture. It's an old Shimano FH-1051 UniGlide hub.

I've been to 2 bike shops today and they said superglue won't hold it together and I'm better off to buy the entire rear hub just for the plastic dust cover. However, I'd like to know if there are any other options out there.

Is there a way to fabricate or MacGyver something that will be functional? Or does anyone have one they would like to sell for not a lot of cash?

Thanks for any suggestions.



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Old 10-09-18, 08:30 PM
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First thing I would try is a more current steep pressed dust cap found on HG freehub bodies. These are installed with the concave/cup facing out. Being steel one can tweak their OD rim with needle nose pliers. Better and older service focused shops might have an old hub or freehub body in their boxes.

Next up would be making a dust cap from some bit of plastic. With care filing a chunk pretty round won't be hard. Getting the axle hole centered might be harder (although as I think about this making the axle hole first and filing around that for the fit to the FH body makes more sense). A lathe is a wonderful thing... Andy
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Old 10-10-18, 01:55 PM
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Doctor Morbius, I have a shift at the bike co-op that I work at tonight, I will take a look in our used parts bin for a freehub body that matches what you need.

I will take some pictures and PM them to you, if it fits what you need, I would be happy to mail it to you.

Another option, but it is a lot of work, is to deconstruct the current UG/HG freehub body that you have and convert it to the newer HG standard.
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Old 10-10-18, 03:14 PM
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Cut one from a milk jug. Drill the hole first, then carefully cut with industrial scissors or tin snips.
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Old 10-11-18, 03:24 AM
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Originally Posted by Andrew R Stewart View Post
Next up would be making a dust cap from some bit of plastic. With care filing a chunk pretty round won't be hard. Getting the axle hole centered might be harder (although as I think about this making the axle hole first and filing around that for the fit to the FH body makes more sense).
On occasion I've put a stopper at the "bottom", lubed the moving surface, then layered hot glue to build up a fitting piece.
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Old 10-18-18, 02:05 PM
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Thanks for the replies. I managed to cob something together with a metal dust cap from an old MTB hub. It's not elegant, but it's perfectly functional.
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Old 10-18-18, 06:43 PM
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Much better than the fiddly steel cover found in most Shimano hubs is the rubbery plastic type found in Shimano copies.
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