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shimano bb 5500 vs 6500(2 posts)

shimano bb 5500 vs 6500Dan Ida
Mar 21, 2001 5:25 PM
Is there a difference in 105 vs ultegra bb for durability or only for weight? Is the ultegra made to more exact tolerances, etc?
ultegra's 20g lighter (nm)fuzzybunnies
Mar 21, 2001 8:22 PM
TTFN