- 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
Medium Size - 31.5 MM
Large Size - 26.5 MM