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Cup and cone or cartridge?
#1
I have a 2006 Trek 7300 hybrid. How can I tell whether I have a cup and cone or a cartridge for a bottom bracket? Do I have to take it apart or are there tell tale signs I can see from the outside?

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#2
See Sheldon Browns site:-
http://www.sheldonbrown.com/gloss_bo-z.html#bottom
Should help?

Ride hard or ride home alone!
  Reply
#3
if you just take the crank arm of you should be able to tell.
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#4
I can assure you that it is a cartridge BB.
Wheelies don't pop themselves. (from a QBP fortune cookie)
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