The lightest professional weight division with a limit at 112lb. Amateurs under A.I.B.A. Championship rules must be above 105lb 13oz and not exceed 112lb 7oz.
The flyweight division in mixed martial arts generally groups competitors below 125 lb (57 kg). This division is also referred to as bantamweight by Shooto.
Hinged weights that move outward depending on centrifugal force to close the carburetor butterfly. Conceptually the same as Flyball. Flyweights replaced Flyballs in later governors.