Amazon.com: SpeedBox3 for Bosch | Electric Bike Tuning Chip | Remove Speed Limit | Active, Performance, CX : Automotive
Bosch E-Bike Tuning (Gen2 and Gen3) products
Amazon.com : SPEEDBOX 2.0 for Yamaha eBike Tuning kit Suitable for All Yamaha PW-TE, PW-SE, PW-X, PWX2, PW-ST Motors. Smart Tuning chip of The Second Generation : Sports & Outdoors
Amazon.com: SpeedBox3 for Bosch | Electric Bike Tuning Chip | Remove Speed Limit | Active, Performance, CX : Automotive