Patent ID: 7527277

Claim:
A bicycle crank comprising: a crank axle connecting portion; a pedal connecting portion configured to be connected to a pedal; a main crank portion formed between the crank axle connecting portion and the pedal connecting portion and having a hollowed structure; a first insert member arranged in the crank axle connecting portion, the first insert member including an axle attaching part with a crank axle connecting hole extending from an inside facing surface to an outside facing surface and an extended part extending in the direction from the axle attaching part toward the pedal connecting portion along the main crank portion with the extended part directly contacting the hollowed structure of the main crank portion to support the hollowed structure of the main crank portion; and a shell member made of a fiber reinforced resin at least partially covering the outside facing surface of the first insert member with the shell member forming the hollowed structure of the main crank portion.