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Loose Pedal Arm
#1
Moutainbike Magna, Right pedal arm hits bike frame as you pedal, crank appears to be a little loose. How do I adjust the crank or pedal arm? Any advice appreciated or if you know of anything else it could be.
Thanks, John

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#2
Hi John,
It sounds like either your crank is loose, or your bottom bracket spindle is the wrong size. Check the following video for crank tightening:
http://bikeride.com/replace-cotterless-cranks/
If tightening the crank arm doesn't work it's likely the wrong size bottom bracket. Take it into your local shop for a second opinion and replacement part if necessary. If it's a cartridge bottom bracket, the following video will help with replacement:
http://bikeride.com/cartridge-bottom-bracket/
I hope you get it fixed and back on the road!

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