Outgoing
| Rider | Team 2017 |
|---|---|
 Zack Allison | Retired |
 Heath Blackgrove | Retired |
 Alberto Covarrubias | Retired |
| Logan Hutchings | Retired |
| Colton Jarisch | Retired |
| Julian Kyer | Retired |
| Mitchell Sides | Retired |
| William Stephens | Retired |
| Rider | Team 2017 |
|---|---|
| Zack Allison | Retired |
| Heath Blackgrove | Retired |
| Alberto Covarrubias | Retired |
| Logan Hutchings | Retired |
| Colton Jarisch | Retired |
| Julian Kyer | Retired |
| Mitchell Sides | Retired |
| William Stephens | Retired |