Looking to tune BR 7900 calipers

Discuss light weight issues concerning road bikes & parts.
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Posts: 115
Joined: Tue May 12, 2009 12:25 am
Location: San Francisco

by yumseyo

Hi all, I just saw some ti front and rear pivot bolts on the web and wanted to know if anyone out there knew if the BR 7800 Front Pivot bolt is interchangeable with the BR 7900? I have the BR7900 and want to lighten them. I looked on the Shimano site and they showed different part numbers. Shimano shows them the same lengths though. Also, what is the standard number of threads I should be threading the pivot nut on the pivot bolts? I need to calculate the length pivot nuts I need. Thanks in advance..

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