Crankhd Today

A bicycle crank is the lever that connects the pedals to the bottom bracket, turning your pedaling effort into rotational motion to drive the chain.

: The most standard modern setup, consisting of a left arm, a right arm, and a separate spindle . They typically use square-taper or splined (like Shimano Octalink) interfaces. CrankHD

: In this design, the spindle is permanently attached to one of the crank arms (usually the drive side), simplifying installation and increasing stiffness. Engine Crankshafts A bicycle crank is the lever that connects