Thread: 3 millimeters
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Old 11-03-09 | 06:57 AM
  #4  
HillRider
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Joined: Aug 2005
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From: Pittsburgh, PA

Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

I thought the recommended bb for the Ultegra 8-speed double crank (6400) was 115 mm. I remember a BB-UN72 in 115 mm as the matching bb. In any event, a mm here or there isn't that critical.
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