For Sale: Zipp SP-SC-SL-C2 Service Course SL carbon seatpost, 27.2mm post diameter, 275mm post length, 0mm offset.

Carbon fiber seatpost, steel & aluminum clamp/hardware. <233g

Barely used; only ridden on 4 rides (it came with my wife's brand new bike and she needs a seatpost with ~20mm offset).

$80, plus $8 to ship in the continental USA (lower 48)