Thread: can I use an internal bearing BB-6500 in an BB that currently has external bearings?
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Old 10-16-11, 12:54 PM
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bikeman715
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68 is the width of the bottom bracket . 118.5 mm is the width of the axle running thou the BB . the 1.37x24 is the treads inside of the BB .(how many treads per square inch ) .
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