Park Tool Swivel Foot – CCP-22 CWP-7. The CCP-22 is a purpose-built tool for removing crank arms from bicycles with three-piece cranks that use an M8 crank bolt including common square tapered cranks SRAM PowerSpline cranks FSA Power Drive cranks and BNI cranks on Bosch e-bike systems. The CCP-22 uses extra-fine thread and a long comfortable handle that provides the needed leverage to remove even the tightest cranks. The strong floating tip system ensures smooth operation and long life.