I have a set of 2005 Ksyrium SL's in great condition with about 4000 miles on them. I'm think of selling them and getting a new set of Dura Ace/Open Pro wheels from BWW. The new wheels will be about $50 more than I can sell Ksyrium for. Should I get rid of the Ksyriums? FYI I weigh about 220 lbs.