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  1. #1
    mtbr member
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    Dec 2005
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    60

    which seatpost clamp/collar size for trek 69er?

    I am ordering some parts online and I don't have my trek 69er singlespeed right here.
    I want to replace the standard seatpostclamp/collar, can someone tell me the diameter?

    thanks

  2. #2
    mtbr member
    Reputation: Whitedog's Avatar
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    Apr 2008
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    421
    I just got a Trek Top Fuel 69er and I bought a 36mm per the local Trek dealer and it worked fine on my bike.

    Here's a thread that mentions 36mm on a Trek EX8:
    08 fuel ex8 seatpost QR clamp size?

    Here's a thread that mentinon Trek uses a 36.4mm clamp:
    stem size trek models

    Either should probably work on your SS 69er

  3. #3
    mtbr member
    Reputation: readycpa's Avatar
    Join Date
    Nov 2007
    Posts
    57
    It appears to me that it is the same as the front der clamp which is 34.6mm.
    Chris
    (proud owner of Trek TF 69er)

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