Brass Ring Hummingbird and Copper Hummingbird!
Blackish green body+ Brass version rings：65g
Purple body + Cooper rings：66.7g
| Material | 7068-T6 |
| Diameter | 56mm |
| Width | 42.9mm |
| Gap width | 4.46mm |
| Axle | M4*10mm |
| Bearing | Center Track |
| Material | 7068-T6 |
| Diameter | 56mm |
| Width | 42.9mm |
| Gap width | 4.46mm |
| Axle | M4*10mm |
| Bearing | Center Track |