- Aluminum Motor Pulley 21T x 1pc
- Brass Bushing Motor Pulley Support x 1pc
- DIN 12.9 Cup Point Set Screw M4 x 4 x 1pc
- DIN 12.9 Cup Point Set Screw M4 x 6 x 1pc
- Goblin 770, 700 competition, and 770 competition.
Must be used with big motor belt,big one way pulley,big front tail pulley.