Jump'in Flexible Rubber Goyo Aga BitWe love this bit because of the soft rubber mouthpiece as well as the option to change the leverage desired. Features 80 mm rings and a 19 mm flexible mouthpiece composed of a metal core and covered in a natural rubber. This bit has more or less leverage depending where on the ring the rein is fixed and also depending on how the curb chain is tightened. Goyo Aga bit 80 mm rings 19 mm flexible mouthpiece Mouthpiece composed of a metal core and covered