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Old 08-19-17, 09:41 AM
  #14  
DPDISXR4Ti
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Looking at the sealed Shimano BB-UN55 Bottom brackets, I see two close sizes in 68mm...

113mm (LL113)
115mm (D-H)

I understand the overall length number easily enough, but what's the "LL113" vs. "D-H" all about?
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