Black Weymouth Bit Ported Mouth, also known as curb bits, are used in horse riding, particularly in the discipline of dressage. They apply pressure to various points on a horse’s head and mouth to aid in communication between rider and horse.

Variations:

Standard Weymouth Bit, Mullen Mouth Weymouth, Low Port Weymouth, High Port Weymouth, Slotted Cheek Weymouth, Jointed Weymouth, Ergonomic Weymouth.

Common Sizes of Weymouth Bits:

Widths: Weymouth bits come in a range of widths to fit different horses’ mouths, commonly from 4.5 inches to 6.0 inches. Some standard widths include:

4.5 inches (115 mm)

5.0 inches (125 mm)

5.5 inches (140 mm)

6.0 inches (152 mm)

Shank Lengths: The length of the shank (the part of the bit that extends down from the mouthpiece) varies, affecting the leverage applied. Common lengths are:

Short shank: about 4-5 cm (approximately 1.5-2 inches)

Medium shank: about 5-7 cm (approximately 2-2.75 inches)

Long shank: about 7-9 cm (approximately 2.75-3.5 inches)