| - Larger horses with plenty of space for a bit may find this bit comfortable, and it can be useful for the rider if the horse occasionally tries to get his tongue over the bit, and prefers a lighter weight bit. - A hollow mouth bit is significantly lighter than a solid one. - The loose rings can help if a horse leans on the bit.. - UK size:4.5in, FR Size:11cm, ES Size: 4.5in , DE Size: 115mm, IT size: 11cm, US & CA Size: 4.5in. - UK size:5in, FR Size:13cm, ES Size: 5in , DE Size: 125mm, IT size: 13cm, US & CA Size: 5in. - UK size:5.5in, FR Size:14cm, ES Size: 5.5in , DE Size: 140mm, IT size: 14cm, US & CA Size: 5.5in. - UK size:6in, FR Size:15cm, ES Size: 6in , DE Size: 150mm, IT size: 15cm, | |