Campagnolo athena 11 speed groupsetcutting edge technology accessible to all athena is the only entry level 11 speed drivetrain delivering class beating performance crankset the most evident changes are immediately noticed on the first change the new design of the chain updownshift zones makes shifting extremely fast and precise optimal positioning of the ball bearing seatoptimised u and q factorsxpss extreme performance shifting systempower torque system shiftersthe athena shifters