Erityisesti ajoneuvoille 45KM/H!
ECU ECS alkuperäinen versio SYM Orbit II / X'Pro / Crox / Fiddle II / 45km / h 50cc 4-tahti Euro4 kaasuttimelle vuosina 2018-2020.
- ALLO 50 4T E4 (2018 - 2018)
- ALLO 50 4T E4 (2019 - 2019)
- CROX 50 4T E4 (2020 - 2020)
- CROX 50 4T E4 (2018 - 2018)
- CROX 50 4T E4 (2019 - 2019)
- FIDDLE II 50 4T (2019 - 2019)
- FIDDLE II 50 4T (2020 - 2020)
- FIDDLE II 50 4T (2018 - 2018)
- JET 4 50 4T E4 (2017 - 2017)
- JET 4 50 4T E4 (2016 - 2016)
- JET 4 50 4T E4 (2018 - 2018)
- JET 4 50 4T E4 (2020 - 2020)
- JET 4 50 4T E4 (2019 - 2019)
- ORBIT II 50 4T E4 (2018 - 2018)
- ORBIT II 50 4T E4 (2019 - 2019)
- ORBIT II 50 4T E4 (2020 - 2020)
- X-PRO 50 4T E4 (2020 - 2020)
- X-PRO 50 4T E4 (2018 - 2018)
- X-PRO 50 4T E4 (2019 - 2019)