Parameter: GR-6.5 Outer Diameter: 92.4(mm) Inner Diameter: 55(mm) Width: 51(mm)
Parameter: GR-6.5 Outer Diameter: 102.4(mm) Inner Diameter: 55(mm) Width: 29.4(mm)
Parameter: GR-13 Outer Diameter: 132.4(mm) Inner Diameter: 70(mm) Width: 93.6(mm)