| G name | CCB-ARO (Arrow Hammer) CCB-UFO   (Disk Hammer)
 | 
| Weight | 19g | 
| Material | brass bell +
 Aluminum Patent Clamp
 | 
|  | Tool free | 
| color | misty black. shining black.
 dark.
 silver.
 gold.
 rose gold.
 wired copper
 | 
| Sound… Connect between you and me. , between rider and walker, between safety and polite.
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