Campagnolo Potenza Powertorque Torque 11 Speed Chainset - 50/34T - 175mm ArmCampagnolo Potenza Powertorque Torque 11 Speed Chainset 50 34T 175mm Arm The design of the 4 arm cranksets that so well identify the Super Record, Record and Chorus groupsets has now found its way into this fantastic new Potenza groupset, although in an aluminium construction. The Potenza crankset is made with both left and right crank arms in hollow forged aluminium to keep weight to a minimum while maintaining the same performance characteristics of