"Keep components the same across bikes?"
Where's the fun in THAT? I've got 2 Shimano bikes(OLD Dura Ace and new 105) and 2 Campy bikes(2006 Chorus and Veloce). I love trading off among them. Each groupset has its own good and bad points.
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"Don't take life so serious-it ain't nohow permanent."
"Everybody's gotta be somewhere." - Eccles