The Powerfly FS 4 625 Gen 2 is a full-suspension e-mountain bike for rough trail adventures. The smooth chassis setup swallows up rough terrain, while the powerful Bosch motor in combination with the long-lasting battery gives you the boost you need to storm up climbs and unwind countless kilometers of trail.
 Why you will love it
An e-mountain bike with a full-suspension setup allows you to exploit the potential of Bosch’s drive support system even in the most difficult terrain.
The battery with an output of 625 Wh offers more juice per charge for longer tours and more driving pleasure
Trek’s Removable Integrated Battery (RIB) looks good and is extremely user-friendly: The battery is completely integrated into the frame and therefore well protected, but can be easily removed without tools and offers space for a bottle holder even on full-suspension e-mountain bikes.
The Purion controller has a Walk Assist function and an intelligent eMTB mode that automatically delivers the required power depending on the terrain
The Powerfly FS comes with a curved top tube for a more optimal standover height. With Smart Wheel Sizing, you always ride the fastest wheel that fits the frame size: 29″ wheels on larger frames, 27.5″ wheels on smaller frames.
Features at a Glance
Weight: 24.8 kg
Frame: Aluminum
Suspension: Full, 100 / 120mm
Fork: Suntour XCR Air
Shock: Suntour
Wheels: 27.5″ / 29″ Aluminum
Groupset: Deore, FSA
Drivetrain:Â 1 Ă— 12
Motor: Bosch 250W 85Nm mid-drive
Battery: Bosch 625Wh
Brakes: Hydraulic Disc
Seatpost: Dropper
Specifications 2023 Trek Powerfly FS 4 625 Gen 2 Bike
Product
Trek Powerfly FS 4 625 Gen 2Â E-Bike
Model Year
2023
Riding Type
Cross Country, Trail
Rider
Unisex
Sizes and Geometry
XS, S, M, L, XL
Wheel Size
27.5″ (650b), 29″
E-Bike Class
Class 1: Pedal Assist (Pedelecs)
Motor
Bosch Performance CX, magnesium motor body, 250W, 75 Nm torque
Battery
Bosch PowerTube 500, integrated, removable
Battery Capacity
625 Wh
Display/Remote
Bosch Purion
Modes
Turbo, Sport/eMTB, eMTB Lite, Eco, Walk Assist
Max Speed with Assist
20 mph (32 km/h)
Frame Material
Aluminum
Frame Material Details
Alpha Platinum Aluminum, magnesium rocker link, Motor Armor
Rear Travel
100mm
Rear Shock
SR Suntour Edge R, 190mm x 45mm
Fork
SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, oversized eMTB crown, 41mm offset (XS/SM), 44mm offset (MD/LG/XL)
Matte Gunmetal/Matte Black, Crimson/Lithium Grey, Purple Flip / Trek Black
Warranty
Lifetime frame and wheels; 2 years Trek/Bontrager parts, suspension linkage components, and paint/decals
Weight
54 lb 14.0 oz (24.89 Kg)
Miscellaneous
XS/SM get 27.5″ wheels; MD/LG/XL get 29″ wheels
Removable Integrated Battery (RIB) system
Internal cable routing
Weight is given for MD frame with tubes
Includes Bosch compact 2A (100-240V) charger
Includes rack and fender mounts
Internally wired to accept optional front and rear lights
Integrated speed sensor at rear dropout
