CRANK FOR BICYCLE AND METHOD OF PRODUCING THE SAME

摘要

A crank for a bicycle, excellent in production efficiency, excellent in fatigue durability and rigidity, and light in weight. The crank has an outer shell formed from a fiber-reinforced plastic, a first insert member capable of introducing a load from a pedal shaft, and a second insert member connected to a bracket spindle and capable of transmitting a load to a sprocket. The outer shell is formed from a fiber-reinforced plastic member at least a part of which is formed in advance.