Andrew Springer

CAMPAGNOLO CYCLOCROSS 11-SPEED crankset includes low gear chainrings, improved bearing seals, and Campagnolo's Power-Torque axle.
http://portland.craigslist.org/mlt/bop/4596336165.html

Campagnolo has redesigned the tooth profile to optimize 11-speed operation in cyclocross conditions, this led to the CART (Cyclocross Advanced Racing Technology) chainrings which were designed with 4 aggressive shifting zones. Chainring pin profile optimization allows for faster and more precise shifting in all conditions. Feature bearings with double lip seals that are specially designed to keep out the dirt and grime of cyclocross racing. Chainrings are anodized black to match the carbon crank arms.

arm length 175 mm
ring size 36/46t
full-carbon unidirectional cranks
light alloy fixing bolts and nuts
light alloy chainrings with new CART (Cyclocross Advanced Racing Technology)
4 shifting ramps on the large chainring
integrated POWER-TORQUE��� axles
advertised weight 628 g
Campagnolo part no FC11-CX1566C