Thread: BB Spindle size Question
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Old 08-06-11 | 02:35 PM
  #5  
Zaphod Beeblebrox's Avatar
Zaphod Beeblebrox
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Joined: Apr 2009
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From: Smugglers Notch, Vermont

Bikes: Upright and Recumbent....too many to list, mostly Vintage.

I'm confused by the way cartridge BB's are sold. They call them 68x124 or 68x117...is there a table that shows what the drive side length is for these cartridges?

**edit**

oh Sutherlands has shed some light on this....they have a chart of Shimano BB sizes and their associated "SER" or Shell-to-End width.

so if this pic is accurate
http://www.sheldonbrown.com/harris/i...a-bb-axles.gif


It's saying that there are two possibilities for a Triple Chainring TA setup. Which is correct?
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Last edited by Zaphod Beeblebrox; 08-06-11 at 02:49 PM.
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