Pure Podium Tubular - 1370g using 64 spokes makes this one of the fastest, strongest tubular sets anywhere.

The Pure Race 650c is fast, light weight, and extremely strong.  With 64 Sapim double butted spokes and alloy nipples, tThese wheels may be overbuilt for race day, but at approximately 1355g for a 27mm tall rim profile, you're still ahead of the pack.