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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 08-18-08, 02:23 AM   #1
chuckerboy
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my cranks have play inside the BB

hi

when i move my cranks you can see that they move slightly side to side.

i was wundering if anyone would be able to give me some help or something

cheeers
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Old 08-18-08, 02:37 AM   #2
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Is this a 3-piece crank with square-taper loose-ball BB? Remove left-side crankarm. Loosen lock-ring. Tighten adjustable cup. Tighten lockring. On certain cranksets with long BB-spindle, you can even make the adjustment without removing the crarnkarm.
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Old 08-25-08, 02:13 AM   #3
chuckerboy
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thanks

but its a sealed bearing BB shell and the cranks are race face ride cranks with that hollow axel if you know which ones i mean

and its the drive side BB that moves
cheers
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Old 08-25-08, 08:30 AM   #4
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Unless they are just loose, usually when a cartridge unit develops play it needs to be replaced.
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