The CCP-44 is a purpose-built tool for removing crank arms from bicycles with 3-piece cranks that use an M12 or M15 crank bolt, including many splined Shimano Octalink, ISIS Drive, and ISIS Overdrive systems. The CCP-44 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.