Join Date: Aug 2005
Location: Pittsburgh, PA
Bikes: '''96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '12 Surly Pacer, All are 3x8,9 or 10. It is hilly around here!
Mentioned: 1 Post(s)
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Quoted: 66 Post(s)
As a rule, no they aren't removable since the entire unit is sealed. Even if you could get it out, the bearing surfaces wouldn't match cup-and-cone cups and loose bearings.
Phil Wood ($$$) offers their cartridge bearing bb's with French threads.