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  1. #1
    Newbie
    Join Date
    Nov 2010
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    Trek 750 seat post outside diameter?

    My quick-release clamp is giving me endless trouble, so I'm looking to install a Salsa Lip-Lock clamp on my Trek 750.

    The seat post diameter is 27.2mm, but I can't find any info on the outside diameter, and don't have any calipers. Trying to take a ruler to the thing did me no good.

    Anyone know this info off-hand? From research, it looks it's probably ~31.8mm, and so I'd go with the 32mm Salsa, but I want to make sure before I order.

    Thanks.

  2. #2
    Senior Member
    Join Date
    Sep 2004
    Location
    boston, ma
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    steel frame? i guess it is 28.6

  3. #3
    Senior Member CACycling's Avatar
    Join Date
    Feb 2008
    Location
    Oxnard, CA
    My Bikes
    '08 Fuji Roubaix RC; '07 Schwinn Le Tour GS; '92 Diamond Back Ascent EX
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    Should be the same diameter as your FD clamp.

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