1. Material: aluminum alloy + carbon fiber
2. Strip hole: 32H/14G
3. Peilin: first 2 after 4
4. Front drum specifications:
- barrel shaft 100mm x 15mm
- quick release 100mm x 9mm
5. Back drum specifications:
- quick release 135mm x 10mm
- barrel shaft 135mm x 12mm
- Barrel shaft 142mm x 12mm
