Bit Size Chart

These are the bit-width options found in the current Kingdom Equestrian Sprenger catalogue. Inch values are rounded conversions; size availability varies by model, so check the exact product listing.

Bit width Approximate inches
95 mm 3.74 in
105 mm 4.13 in
110 mm 4.33 in
115 mm 4.53 in
120 mm 4.72 in
125 mm 4.92 in
130 mm 5.12 in
132 mm 5.20 in
135 mm 5.31 in
140 mm 5.51 in
145 mm 5.71 in
150 mm 5.91 in
155 mm 6.10 in
160 mm 6.30 in

These measurements are not recommendations based on breed or horse size. Measure the individual horse and check the fit for the exact cheek style. Sprenger’s general guidance is about 3–5 mm on each side for loose-ring bits; fixed cheek pieces sit close to the mouth corner without pinching.