Here's some data for a 40k TT: http://www.ridestrong.org.nz/RS/wiki...equipment.aspx

-134s skinsuit
-122s aerobars
-67s aero helmet
-56s body tuck tuning
-42s deep-V front wheel
-30s shoe covers
-29s 3-spoke rear wheel from disc
-23s 5-spoke rear wheel from box-section rim
-17s aero-frame