• 26.50 MM Outer Diameter
• 20.00 MM Inner Diameter
•  Thickness: 3MM

Medium Size - 31.5 MM

• 31.50 MM Outer Diameter
• 25.00 MM Inner Diameter
•  Thickness: 3MM

Large Size - 26.5 MM

• 37.00 MM Outer Diameter
• 26.5 MM Inner Diameter
•  Thickness: 3MM