Issue when repacking rear hub?
12-05-14, 08:27 PM
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Issue when repacking rear hub?
Hey guys,
I recently picked up an used rear flip-flop wheel and needed to repack the hub. I took it apart no problem, but it seemed to have 10 bearings on the freewheel and 9 bearings on the fixed side. When I went to put it back together, I couldn't get the 10 balls to fit on the freewheel side. What's going on here? Do I need all 10 bearings?
Thanks,
JGAN
I recently picked up an used rear flip-flop wheel and needed to repack the hub. I took it apart no problem, but it seemed to have 10 bearings on the freewheel and 9 bearings on the fixed side. When I went to put it back together, I couldn't get the 10 balls to fit on the freewheel side. What's going on here? Do I need all 10 bearings?
Thanks,
JGAN
12-06-14, 01:17 AM
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We'll need to know the brand and maybe model of the hub.
Basically though, if 10 balls came out, 10 need to go back in. There's rarely any issue so look for something daft - working on the wrong side springs to mind. Are you sure you're putting them in the bearing race and not further into the hub?
Basically though, if 10 balls came out, 10 need to go back in. There's rarely any issue so look for something daft - working on the wrong side springs to mind. Are you sure you're putting them in the bearing race and not further into the hub?
12-06-14, 09:04 AM
#4
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Normally there are nine 1/4" bearings on each side of rear hubs. After putting your bearings in place there should be a gap left. Do not fit an extra ball into the gap as the previous owner seems to have done.
12-06-14, 10:27 AM
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Also what does this mean?
Thanks, that is what I thought. However, how much gap is too much?
Thanks, that is what I thought. However, how much gap is too much?
12-06-14, 10:48 AM
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If you use the correct size and quantity of ball bearings as Hairnet suggests, then the gap will be correct.
12-06-14, 10:55 AM
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Your cog is slipping.
12-06-14, 04:46 PM
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The other old rule of thumb. Fill the race (sounds like that is 10 bearings here) then remove one. Voila, 9! I'd go with it.
Ben
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