- Disc Brake Rotor Adapter and 28T sprocket
- Designed mainly For petrol motorized bicycle only
- Material:A6061
- Inner Diameter of Center hole of Adapter:37mm;
- Inner Diameter of Center hole of 28T sprocket:37mm
- Out Diameter of 28T sprocket:12mm
- Sprocket Teeth Thickness:4.2mm
- Overall Thickness of Sprocket 28T: 6.2mm
- Adapter plate Thickness:4mm;
- Overall Thickness of Adapter:10.8mm
- Weight:140g