Rotating gear, as an engine, helps or replaces traction vehicles used for people, such as bicycles, which are metal and hard, consisting of two arms, connected by one extreme to a coaxial, with a higher quality outside.

摘要

Device that operates as a motor, aid or replacement for Human Powered Vehicles such as Bicycles and mobile teams or rotating, comprising a device which is rotatingMetal Solid Compound of 3 arms or radios, United by one of its ends perpendicular to a common Axis.