Trek Powerfly FS+ electric mountain bike - first look

Trek has revealed its new Powerfly FS+ electric mountain bike, and in doing so, joined the fray of off-road capable, electrically-assisted machinery. The Powerfly FS+ uses a Bosch pedal assist system, paired to a 120mm travel, 27.5in-wheeled frame. The Powerfly will be offered in full suspension and hardtail versions, as well as in women's-specific models. Where the Powerfly differs from other full suspension e-bikes is that the motor has a custom mount and case, which allow the use of shorter