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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 11-02-06, 06:17 AM   #1
Rocket Richard
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How to properly measure a frame to get the right Bott. Bracket?

This is on my new Marin Argenta road frame app. 2002 model. I want to be sure of the correct bottom bracket dimensions before I purchase one. Thanks!
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Old 11-02-06, 06:37 AM   #2
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It's almost a certain that the bottom bracket shell is 68 mm and English threaded. The required spindle length and configuration (ISO or JIS square taper, Octalink, ISIS) depend on the crank you have. The spindle is measured end-to-end and is often engraved on the existing spindle.
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