New Trek Powerfly FS 2021 – introducing Trek's brand new tour-oriented allrounder with the new Bosch Performance CX motor | E-MOUNTAINBIKE Magazine
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Trek PowerFly 4 2022 | Electric Bike Forums - Q&A, Help, Reviews and Maintenance
NBD: Trek Powerfly 4 2021, Bosch Performance Line CX Gen4 motor with 85Nm s/w upgrade (my bike shop manager is legendary, even with a pandemic killing supply) : r/bicycling