Campagnolo Chorus UT 34/50 Crankset

For the discerning cyclist, you're not going to find much difference in performance between this Chorus groupset and it's lighter/pricier brother the Super Record. And Campy knows this well, that's why they've dialed in the Chorus and kept the line around. Because they know there are sophisticated cyclists out there who want to experience the Campagnolo aesthetic and technical performance without breaking the bank to do so.

Crankset

Hollow cranks and spider arms with Ultra-Hollow™ Technology 
Ultra-Torque™ axle 
New chainrings 
Differentiated number of pins depending on the chainring combination