cranks-cruiser

Cruiser Bike Parts - chopper bicycles most commobly use  1 pc. or 3 pc. cranks.  Both the right and left side crank arms have a threaded hole for the cranks, this whole is either for 1/2" or 9/16".  Cruisers using a 24" or 26" rear wheel should use a 5.5" - 7.0" crank.  This size refers to the length of the crank arms.