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
