Incoming
| Rider | Team 2020 |
|---|
Outgoing
| Rider | Team 2021 |
|---|---|
 Jason Christie | Retired |
 Masakazu Ito | Retired |
| Ryota Kaihara | |
| Keigo Kusaba | Retired |
 Damien Monier | Retired |
| Ken Nakagawa | Retired |
| Hayato Okamoto | Retired |
| Kakeru Omae | Retired |
| Kota Sumiyoshi | Retired |
| Hayato Tobaru | Retired |