Thread: 08 Bianchi Pista BB size?
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Old 07-26-08 | 05:48 PM
  #18  
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amor fati
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Pista Truvativ to Sugino RD swap
Originally Posted by Dyoon
I know this is noob question but, if I want to get new sugino rd messenger crankset do I need to get a new BB, this is for a 08 bianchi pista also.
Yep. I just performed this switch on my '08 Pista and I used an IRD QB-55 JIS square taper bb 68x103mm. The Truvativ Power Spline BB that comes stock is 68x108mm and is ISIS so it must be replaced to use Sugino RD's. I think Sugino makes a 68x103mm square taper as well.
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