Link for buy some material:
- Coil Spring 1.2x12mm: https://a.aliexpress.com/_oo5F4f8
- 04C Chain Gear: https://a.aliexpress.com/_okgDexM
- Ball Joint Metric SI6 6mm: https://a.aliexpress.com/_okxFM8W
- Oil Pump for 4 stroke Scooter: https://a.aliexpress.com/_oFu1xTu
- Differential Bevel Gear: https://a.aliexpress.com/_oFyIuuI
- Metal Spiral Bevel Gear Set: https://a.aliexpress.com/_oCGvNsK
- Universal Coupler Joint: https://a.aliexpress.com/_omRm0qS
- 80Kg high torque Digital Servo: https://a.aliexpress.com/_oDMlj6e
- Remote control FLYSKY FS-i6: https://a.aliexpress.com/_oEE6Brs
- Aluminum tube pipe 35mm 24cm: https://a.aliexpress.com/_ol4bZx0
- ESC 7.2V-16V 320A: https://a.aliexpress.com/_oBUllwQ
- Gear Brushed DC Motor 12V 250W: https://a.aliexpress.com/_oCtUAS2