AQHA 2015 Rule Book | Página 89

metal of 8mm to 20mm in diameter, measured 25mm from the cheek with a gradual decrease to the centre of the snaffle. They may be inlaid, but must be smooth or latex wrapped. The mouthpiece may be two or three piece. A three-piece will have a connecting ring of 32mm or less in diameter, or a connecting flat bar of 10mm to 20mm measured top to bottom, with a maximum length of 50mm, which lies flat in the horse’s mouth or a connecting roller 10mm to 20mm diameter are acceptable; c) References to a bit in western performance classes mean the use of a curb bit that has a solid or broken mouthpiece, has shanks and acts with leverage. All curb bits must be free of mechanical device and will be considered a standard western bit. A description of a legal, standard western bit includes: i) 216mm maximum length shank to be measured as indicated in Diagram 1. Shanks may be fixed or loose. ii) concerning mouthpieces, bars must be round, oval or egg shaped, smooth and unwrapped metal of 8mm to 20mm in diameter, measured 25mm from the cheek. They may be inlaid, but must be smooth or latex wrapped. Nothing can protrude below the mouthpiece (bar), such as extensions or prongs on solid mouthpieces than by no more than 1.6mm iii) the mouthpiece may be two or three piece. A threepiece will have a connecting ring of 32mm or less in diameter, or a connecting flat bar of 10mm to 20mm measured top to bottom, with a maximum length of 50mm, which lies flat in the horse‟s mouth or a connecting roller 10mm to 20mm diameter are acceptable. iv) the port must be no higher than 90mm maximum, with rollers and covers acceptable. Broken mouthpieces, half-breeds and spades are standard. v) slip or gag bits, and donut and flat polo mouthpieces are not acceptable. DIAGRAM 1 d) Except for hackamore/snaffle bit classes or junior horses shown with a hackamore, only one hand must Page 89