Amazon.com: Customer reviews: SPEEDBOX for Shimano Steps E8000, E7000, E6100 & E5000 | Electric Bike Tuning Chip | Remove Speed Limit for Mid Drive eBike Motor
Shimano PearTune Tuning Chip to Derestrict SH1 Steps for Di2 E8000 E7000 | eBay
Peartune MSO For Shimano Steps E8000, E7000, E6100, E5000 with Di2 – Two Wheels Empire
New Shimano STEPS E7000 motor with new shifters, display and wireless technology | E-MOUNTAINBIKE Magazine