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Rear axle "locking up"

Old 05-23-19, 09:31 AM
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WGB 
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Rear axle "locking up"

I got an older Velo Sport 12 speed mixte at a yard sale.



Truly almost never ridden because the cranks would turn when the bike was pushed and the pedals would hit the PO on the leg so she parked it in her basement and forgot about it.

I stripped it down and re-greased the wheel bearings as well as other general re-furb stuff (BB cleaned and re-greased, seat post and stem cleaned and re-greased). No damaged components noted and all the inside pieces were nice and shiny, even the bearings. I just replaced the old grease. I believed that the cranks were turning because the cones were tightened into the rear hub too much when it was built and so when I reassembled the rear hub I made sure that the cones weren't too tight. Cranks no longer turn when the bike is pushed.

Problem now the wheel keeps locking up when pedaled, not when pushed.

Is it possible I didn't tighten enough and that the cones are tightening when the bike is pedalled? If so/if not does anyone have any ideas? I didn't photo the rear axle but can certainly do so.
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Old 05-23-19, 10:38 AM
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Originally Posted by WGB View Post
I got an older Velo Sport 12 speed mixte at a yard sale.



Truly almost never ridden because the cranks would turn when the bike was pushed and the pedals would hit the PO on the leg so she parked it in her basement and forgot about it.

I stripped it down and re-greased the wheel bearings as well as other general re-furb stuff (BB cleaned and re-greased, seat post and stem cleaned and re-greased). No damaged components noted and all the inside pieces were nice and shiny, even the bearings. I just replaced the old grease. I believed that the cranks were turning because the cones were tightened into the rear hub too much when it was built and so when I reassembled the rear hub I made sure that the cones weren't too tight. Cranks no longer turn when the bike is pushed.

Problem now the wheel keeps locking up when pedaled, not when pushed.

Is it possible I didn't tighten enough and that the cones are tightening when the bike is pedalled? If so/if not does anyone have any ideas? I didn't photo the rear axle but can certainly do so.
The cranks were probably turning while the wheel was being turned because the freewheel was gummed up. Flowing oil into the freewheel from the top (clean off any dirt first) will help with that.

Your current problem, however, is most likely related to a bent or broken axle. Remove the wheel from the bike and spin the axle by hand on the nondriveside while watching the driveside end. If it moves up and down, the axle is bent. Weight on the bike will cause the axle to push against the freewheel and catch it.
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Old 05-23-19, 10:58 AM
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Bent axle! Replaced. Problem solved.

Never guessed bad parts, assumed it was me.....

Thank you.

Ps: Family said that mom couldn't ride it from the day that she got the bike and that pedals like that turned from day 1. Freewheel was pretty clean and wasn't packed full of grease (and neither was the hub) when I got it so not sure what it could have been. I didn't do anything to freewheel other than clean off and then oiled chain when reassembled. Anyway it works now and thanks again.
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