Bicycle Mechanics - pedal keeps slackening
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10-01-05, 02:59 PM
OK so I borrowed my father in-laws bike, but every time I use it the pedal falls off. the nut seems to unwind as I pedal, I tighten it up then it slackens, any tips? help? suggestions?
thanks in advance
10-01-05, 03:27 PM
Prepare for a divorce! the hard steel pedal spindle has probably ruined the soft aluminum threads on the crank on account of being operated while loose.
Tell us more: What kind of bike? What crank? What pedal? what specifically is the problem?
10-01-05, 04:09 PM
erm I don't know, I'm new to biking. All I know is that I tighten it up & it slackens off as soon as I start pedalling. I'll take a closer look tomorrow & post my findings
10-01-05, 04:13 PM
is it the nut/bolt that holds the crank onto the bottom bracket spindle, or the pedal/crank interface that is the issue? your original post is sort of ambiguous.
10-01-05, 10:42 PM
wild silly guesses :)
Old bike theory, the axial on the pedal is rusted frozen
Hipster bike theory, your father in law built a left hand drive bike with regular components.
No thread left behind theory, the crank is striped
Cheers and please do not take too seriously
10-02-05, 04:04 AM
its the nut which holds the pedal shaft onto the crank, the crank thread is fine not stripped
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