1. Material: aluminum alloy
2. Applicable models: motorcycles
3. Aperture: 8mm
4. Size: about 8 x 2.8cm
5. Weight: about 49g
6. This product is manually measured, and there may be an error of 0.1-0.2 mm and 0.1-0.2 g in length and weight; there may be a slight color difference due to display and light issues. Please refer to the actual product!