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eTuning | Ebike Tuning App for Shimano Steps Motors
eBike Tuning SpeedBox 1.0 for Shimano (E8000, E7000, E6100, E5000) Installation - no longer on sale - YouTube
Amazon.com: Customer reviews: SPEEDBOX for Shimano Steps E8000, E7000, E6100 & E5000 | Electric Bike Tuning Chip | Remove Speed Limit for Mid Drive eBike Motor