Quote:
Originally Posted by DfCas
The Optimo frames have a threaded bb external cable routing and some bright colors yellow and acid green that i really like. Does anybody know if they give up much to the Caad number frames? Id prefer the threaded bb.
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Cannondale only used the “Optimo” name, without a CAAD designation, for the 2004 model year. In 2003, the top road frame was the CAAD7 Optimo. In 2005, the top aluminum road frame was the CAAD8. Threaded bottom bracket shells were available on the original, US-manufactured CAAD8 frames (2010 and earlier) and the first three model years (2007-2009) of the CAAD9. The final year of the CAAD9, all were BB30. While I prefer threaded bottom brackets, my BB30 CAAD9 and CAAD10 have been trouble (and creak...) free. Both use angular contact bearings, Wheels Manufacturing Delrin adapters, and Shimano Hollowtech II cranksets.
Greg