Cycling Equipment · Public discussion

bottom bracket size for tandem

Started by Ron Vance · · Last activity · 1 post · 488 views

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Original section
Cycling Equipment
Published
2 September 2003
Last activity
2 September 2003
Original author
Ron Vance
Posts
1
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Public discussion
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488
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0
Topics
Bottom bracketsFrame sizingTaper and peaking

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  1. Original post
    Ron Vance
    Archived post
    #1

    I'm considering upgrading my crankset on my tandem to new Shimano Ultegra. The rear wheel is 145 and
    the chainstays are straight. I currently have a tapered BB UN72 68 X 122 with a Ritchey Logic
    crankset. Will the octalink 118.5 Ultegra triple BB be wide enough for the cranks to clear the chain
    stays? Thanks.

    Ron Vance

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