from a totally n=1 (but a fair reference for others because I am both a total novice Kilo'er and very slippery to the wind)
1:18 at Rock Hill, power 322avg - bad start big gear no warmup (54/14 gear, never tried a kilo before)
CdA - high .19x (along with low rolling tyres - vitt pista evo 19/22)