Still active teammates
The following riders that were once teammate of Seiichiro Aihara are still active.
| # | Rider | Teammates in |
|---|---|---|
| 1 | BROWN Gregory | 2024 |
| 2 | KOZAI Shinsuke | 2024 |
| 3 | TAKAGI Michinari | 2024 |
| 4 | WATANABE Satoru | 2024 |
| 5 | SAITO Yoshiaki | 2024 |
| 6 | AIHARA Seiichiro | 2024 |
| 7 | IKEYA Ryuta | 2024 |
| 8 | MONOI Yu | 2024 |
Most starts together and still active
Riders with the most starts together with Seiichiro Aihara and still active.
| # | Rider | Starts together |
|---|---|---|
| 1 | FUJII Ryosuke | 1 |
| 2 | YAMADA Takumi | 1 |
| 3 | NAKATSUKASA Daisuke | 1 |
| 4 | SHIGETA Rinichiro | 1 |
| 5 | IKEDA Keito | 1 |
| 6 | HATSUKAWA Kohiro | 1 |
| 7 | SHIMANO Shota | 1 |
| 8 | SUZUKI Michiya | 1 |
| 9 | MATSUDA Shoi | 1 |
| 10 | TAKANASHI Mario | 1 |
| 11 | AOSHIMA Touya | 1 |
| 12 | MIYAZAKI Taishi | 1 |
| 13 | NISHIHARA Yutaro | 1 |
| 14 | HIGA Yuki | 1 |
| 15 | BABA Keizaburo | 1 |
| 16 | HIRABAYASHI Takato | 1 |
| 17 | IZAWA Masaya | 1 |
| 18 | WATASE Yoshio | 1 |
| 19 | TAMASHIRO Shota | 1 |
| 20 | UCHIDA Takami | 1 |
| 21 | MIYAZAKI Kenta | 1 |
| 22 | SHINKAI Ryuji | 1 |
| 23 | YAHAGI Yuya | 1 |
| 24 | WATANABE Kazuki | 1 |
| 25 | KITASHIMA Keita | 1 |
| 26 | HONDA Haruhi | 1 |
| 27 | SATO Hiroshi | 1 |
| 28 | YAMAMOTO Tetsuo | 1 |
| 29 | TERADA Yoshiki | 1 |
| 30 | OKOCHI Masahiro | 1 |
| 31 | OKAMOTO Katsuya | 1 |
| 32 | UWANO Hayato | 1 |
| 33 | DOMI Yuta | 1 |
| 34 | UGA Ryuki | 1 |
| 35 | WATANABE Ryoma | 1 |
| 36 | KAKIZAKI Eugene | 1 |
| 37 | YUASA Hirotaka | 1 |
| 38 | KAYAMA Hiryu | 1 |
| 39 | AMANO Takeharu | 1 |
| 40 | KOJIMA Naoki | 1 |
| 41 | SATO Hikaru | 1 |
| 42 | TODOME Yuhi | 1 |
| 43 | KOMOTO Ryota | 1 |
| 44 | HASHIMOTO Yuya | 1 |
| 45 | SHINOZAKI Sohei | 1 |
| 46 | SATO Takashi | 1 |
| 47 | KOIDE Itsuki | 1 |
| 48 | USAMI Hayaki | 1 |
| 49 | KAWANO Shouki | 1 |
| 50 | NAKASHIMA Masato | 1 |