The Power-Torque BB outboard cups install in a standard threaded bottom bracket shell. They simply install with a standard Campagnolo outboard bottom bracket cup tool. There is a cartridge bearing in the left side cup while the bearing for the right side resides with the crank. Choose from English (BSC) or Italian thread and install.

The Power-Torque system features a full length spindle fixed into the right crank arm. The splines on the left arm slides on to the spindle and is held in place with a single 14mm bolt. The right side sealed bearing is attached to the crank and the left side is installed in the Power Torque BB cup.