Campagnolo potenza powertorque 11sp chainsetthe potenza chainset from campagnolo is made from hollow forged aluminium that offers high performance at an incredibly light weight it features the iconic 4 arm design of the higher tier campagnolo groupsets and a single bcd across all chainrings so they can be easily swapped features material hollow forged aluminium the left crank now includes a built in extractor so there is no longer a need for a purpose built tool to remove the cranks hollow