Still active teammates
The following riders that were once teammate of Yudai Arashiro are still active.
| # | Rider | Teammates in |
|---|---|---|
| 1 | YOSHIOKA Naoya | 2015 |
| 2 | KOSAKA Hikaru | 2015 |
| 3 | EARLE Nathan | 2025 |
| 4 | LEBAS Thomas | 2022,2024,2021,2023,2020,2019,2025,2018 |
| 5 | YAMAMOTO Genki | 2019,2024,2022,2023,2021,2018,2020,2025 |
| 6 | TAARAMÄE Rein | 2025 |
| 7 | ISHIBASHI Manabu | 2017 |
| 8 | YAMAMOTO Masaki | 2018,2020,2021,2019,2022 |
| 9 | MOREY Drew | 2023,2024,2025 |
| 10 | HASHIMOTO Eiya | 2025 |
| 11 | ONODERA Rei | 2015 |
| 12 | ARASHIRO Yudai | 2024,2015,2025,2017,2018,2023,2019,2022,2021,2020 |
| 13 | MAGOSAKI Daiki | 2024,2023 |
| 14 | HANADA Kiyomasa | 2023,2022,2021 |
| 15 | UGA Ryuki | 2025 |
| 16 | SHIRAKAWA Koki | 2024,2023 |
| 17 | KOIDE Itsuki | 2022 |
| 18 | MIYAZAKI Taishi | 2024,2025,2023 |
| 19 | YUNOKI Shingen | 2025,2024 |
| 20 | SHINGUU Soutaa | 2025 |
Most starts together and still active
Riders with the most starts together with Yudai Arashiro and still active.
| # | Rider | Starts together |
|---|---|---|
| 1 | YAMAMOTO Genki | 66 |
| 2 | LEBAS Thomas | 60 |
| 3 | OKAMOTO Hayato | 47 |
| 4 | YASUHARA Daiki | 46 |
| 5 | MASUDA Nariyuki | 45 |
| 6 | KUSABA Keigo | 43 |
| 7 | ISHIBASHI Manabu | 43 |
| 8 | MAGOSAKI Daiki | 43 |
| 9 | IRIBE Shotaro | 43 |
| 10 | YAMAMOTO Masaki | 41 |
| 11 | TORIBIO José Vicente | 41 |
| 12 | PRADES Benjamín | 40 |
| 13 | SUMIYOSHI Kota | 40 |
| 14 | OKA Atsushi | 40 |
| 15 | SUZUKI Yuzuru | 38 |
| 16 | ONODERA Rei | 37 |
| 17 | ABE Takayuki | 36 |
| 18 | KOISHI Yuma | 36 |
| 19 | YOSHIOKA Naoya | 35 |
| 20 | KUROEDA Saya | 34 |
| 21 | ASO Keisuke | 32 |
| 22 | TANI Junsei | 31 |
| 23 | NAKAI Tadaaki | 30 |
| 24 | DYBALL Benjamin | 30 |
| 25 | KUROEDA Shiki | 30 |
| 26 | TOBARU Hayato | 29 |
| 27 | TAKEYAMA Kosuke | 28 |
| 28 | ISHIHARA Yuki | 28 |
| 29 | MUKAIGAWA Naoki | 28 |
| 30 | WATANABE Shotaro | 27 |
| 31 | YOKOTSUKA Kohei | 27 |
| 32 | KAZAMA Shoma | 27 |
| 33 | SHIBATA Masayuki | 26 |
| 34 | MANCEBO Francisco | 25 |
| 35 | TOKUDA Suguru | 25 |
| 36 | MIYAZAKI Taishi | 24 |
| 37 | MOREY Drew | 24 |
| 38 | TOMIO Daichi | 24 |
| 39 | EARLE Nathan | 24 |
| 40 | KUBOTA Yusuke | 23 |
| 41 | ODA Hijiri | 22 |
| 42 | NISHIO Hayato | 22 |
| 43 | SAWADA Toki | 22 |
| 44 | FENG Chun Kai | 21 |
| 45 | YAMADA Takumi | 20 |
| 46 | TAKEMURA Taku | 20 |
| 47 | QUINTERO Leonel | 20 |
| 48 | LAU Wan Yau Vincent | 20 |
| 49 | SAWADA Keitaro | 20 |
| 50 | KUBOKI Kazushige | 19 |