1. Material: 6061 aluminum alloy
2. Purpose: bracket ball head fixed base
3. Application: bicycles, motorcycles
4. Features: screw fixation, simple and convenient installation, strong and firm, aluminum alloy material, not easy to rust, strong and durable
5. Ball head size: about 25mm
6. Suitable thin tube size: about 22-32mm
7. Weight: about 56 grams