Sprenger Bow Balance Rubber Stirrup Treads - Size 5 1/8" (130mm) - Colour Black Cat_Accessories & Replacements The small Eggbutt rings are

The small Eggbutt rings are fixed which prevents the lips and corners of the mouth from being pinched

The neodymium plates within the boots create a magnetic field which then aids and stimulates various beneficial biological processes

the bit comes with shorter cheeks depending on the size this is so the bit remains in proportion with a smaller head

The back slits add flexibility

Sprenger Bow Balance Rubber Stirrup Treads - Size 5 1/8" (130mm) - Colour Black Cat_Accessories & Replacements The small Eggbutt rings areThe Sprenger Bow Balance Stirrup Treads are to be used with Sprenger's Bow Balance Stirrups. These treads are made from two types of durable rubber, offering an excellent level of grip, as well as being shock absorbing. These are a patented stirrup tread design. Available in Black Blue; size 4. 25", 4. 75" and 5" Please note that delivery can be up to 3 weeks.