The park tool cbp 5 crank and bearing adaptor set is used in conjunction with the cbp 3 set to remove and install power torquetrade crank arms and right side crank bearings park tool cbp 5 crank and bearing adaptor set features to be used in conjunction with the park took cbp 3 bearing puller to safely remove and install campagnolo power torque bearings and crank arms includes everything you need to allow your cbp 3 to be used with power torque systems made in the usa a