Trek Scratch BB size

Dirtrider
Dirtrider Posts: 1,611
edited April 2013 in MTB workshop & tech
Morning,

after a bit of help. Won dering if anyone know's the bb size i need for my trek scratch 9? I regularly strip mine to service it but want to buy one and fit it when i strip it rather than stripping and having to wait for it to arrive.

also, any suggestions on what to get, and where from? i have race face atlas cranks, and it's an x type BB.

I ahve heard bikediscount.de and rosebikes have decent shimano ones for relatively cheap, but unsure what will fit.....
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Comments

  • nicklouse
    nicklouse Posts: 50,675
    there is no sizeing on external BBs. (other than for the dirt shield) so measure your shell width to check it is not an odd size.

    normal are 68 or 73mm
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