Originally Posted by
brianappleby
rotating mass is a myth. Do the actual math, and you'll find that the difference between 100 grams on the rim and 100 grams on the bike is so insignificant, it's essentially worthless.
that being said, lose 10 lbs and get stronger while you're at it.
Unless you file down the deraileur cages to save weight and aerodynamic, that is.