Campagnolo Athena Groupset Alloy Chainset This is the groupset that really fills Campagnolo with pride. It has everything needed to amaze whoever tries it out. It's the 11-speed drivetrain that combines technology, performance features, versatility, operating precision, & Campagnolo quality, all at an exceptional price position. With the new Power-Torque System & Power-Shift technologies, the Campy Tech Lab has simplified the drivetrain, increasing its versatility & ease of use. The weight has dropped by 80g.