I have a new, still unopened in the package, never used Xlab Sonic Wing in white and the Sonic Nut for Cervlo TT bikes for sale. Bought late last year, injured and retiring from the sport.
Sonic Wing new = $60 online (http://www.trisports.com/xlab-sonic-wing.html)
Sonic Nut = $15.95
Price for both = $50 or best offer. Cash please, downtown or local. Email if you'd like a picture. ldb25 AT cornell DOT edu
Also selling a pair of HED 3 Carbon race wheels and my Cervelo P2C with a New, warranty replacement frame I've never ridden, built with 2008 Campagnolo Chorus TT kit, Fizik saddle, and Carbon Vision TT bars. I have pictures if interested. Price TBD.