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Always pushing harder!!!
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1,417 Posts
Discussion Starter · #1 ·
Which size fits 2008 Epic Marathon frame? I have Shimano M762 XT cranks and BB and want to upgrade for something like XTR or Noir. What's the size of the shell?
 

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Picture Unrelated
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5,123 Posts
Measure it. It's either 68mm or 73mm.

Either way, the external bearing cranks will be able to work. They just use spacers to adjust the width.
 

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RiffRaff
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429 Posts
I pretty sure it is 73mm. The XTR 2 piece cranks are compatible with both 68 and 73mm shells. You just have to use the correct number spacers. Use callipers to mesure it when the BB is removed.
 
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