Chip module SpeedBox1 Shimano Steps E8000, E7000, E6100, E5000 - Electric bikes accessories - Electric bicycles
SpeedBox 1.2 B.Tuning for Shimano (E8000, E7000, E6100, E5000) – Two Wheels Empire
Amazon.com: SPEEDBOX for Shimano Steps E8000, E7000, E6100 & E5000 | Electric Bike Tuning Chip | Remove Speed Limit for Mid Drive eBike Motor : ספורט ופעילות בחיק הטבע
eBike Tuning SpeedBox 1.0 for Shimano (E8000, E7000, E6100, E5000) Installation - no longer on sale - YouTube