Trek Powerfly FS 4 Electric Mountain Bike Review
The Powerfly FS 4 electric mountain bike (e-MTB) is one of the several electric bike offerings from Trek Bikes, a large seller of electric bikes. This e-MTB is considered a Class-2 electric bike providing a maximum assistance speed of 20 mph (32 km/h) and features a Bosch Performance CX mid-drive motor paired with a large … Read more