1. Material: 7075T+copper 2. Applicable vehicles: road bikes, MTBs, folding bikes, etc. 3. Handlebar diameter: 22-31.8mm 4. Decibel: 80dB 5. The compact shape is hidden on the handlebar, which does not affect the operation of the handlebar brake, shifting, etc. 6. The hardness of the copper metal shell material is higher, and the sound is crisp and long 7. The micro-arc design is smooth and does not hurt hands, easy and labor-saving 8. Waterproof and anti-rust paint finish, strong durability 9. Size: 6.5x4.5x1.5cm 10. Weight: about 36 grams
