A Ring cheekpiece introduces poll pressure as well creating leverage on the mouthpiece.
The 3 Ring is our most popular version.
A horse shaking its head when bit pressure is applied or its tongue trying to escape the bit are classic signs the horse has a sensitive tongue. With this in mind the McHardy was created, it has a medium port creating space for the tongue relieving pressure. The Buster Roller in the middle increases bar pressure and as a result lifting the horse's head and giving more control.
| Polo 3 Ring McHardy 130 B16/10 |
| Breed |
Mouth Width 1 4
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Bit Adjustment 2 |
Bit Width 3 4
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| Arab |
115 mm (4½") |
5 mm + 5 mm |
125 mm (5") |
| Austrailian Stock Horse |
120 mm (4¾") |
130 mm (5⅛") |
| American Quarter Horse |
120 mm (4¾") |
130 mm (5⅛") |
| Thoroughbred (15h-15.3h) |
120 mm (4¾") |
130 mm (5⅛") |
| Thoroughbred (16h+) |
125 mm (5") |
135 mm (5¼") |
| Warmblood |
125 mm (5") |
135 mm (5¼") |
| Large Warmblood |
130 mm (5⅛") |
140 mm (5½") |
| Other |
MMS |
MMS + 10 mm |
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| Notes: |
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| 1 |
The measured width of a horse's mouth (from corner to corner with no wrinkles) rounded up to the nearest 5mm. These are typical values for the breed. MMS = Measured Mouth Size. Click here for more information on measuring your horse's mouth |
| 2 |
Factors to be added to the measured width of a horse's mouth to ensure the bit width is calculated correctly. This varies depending on the mouthpiece and cheekpiece of the bit. For this bit add 5 mm for a loose ring cheek piece, to allow for space between the ring and the horse's lip, eliminating a possible pressure point and pinching. For Barrel or Lock Up mouthpieces only add 5 mm as these mechanisms limit the nut cracker action. |
| 3 |
The width of the bit for a optimal fit, taking into account its components and the width of the horse's mouth. If calculating a bit width based upon a previously purchased Bomber bit, please make sure all relevant adjustments for differences in cheek and mouth pieces are adhered too. |
| 4 |
Measurements in inches are approximate. |
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