Fully Equipped Adventure-Ready E-MTB
Conquer rough terrain with confidence, the Trek Powerfly FS 4 is a trail-hungry full suspension electric mountain bike that boasts a plush suspension setup that devours rough terrain, keeping you comfortable and in control. The powerful Bosch electric drive system acts as your tireless climbing companion, effortlessly propelling you up long, challenging ascents and across endless stretches of singletrack. Trek keeps you informed and connected with a user-friendly LED remote, Kiox display, and eBike Flow app compatibility. Track your rides, navigate new trails, and stay connected via Bluetooth – all at your fingertips. But that's not all! The Powerfly FS 4 Equipped comes fully prepared for any adventure, featuring mudguards, lights, and additional features to keep you rolling, rain or shine. It's the perfect all-in-one package for unlocking the full potential of your mountain biking experience.
Built To Perform
Climb to new heights and explore the miles beyond with a Trek e-MTB that supercharges the fun in every ride. The Powerfly helps you take on steeper terrain, ride faster and go further thanks to the powerful Bosch Performance Line CX motor. Now with advanced smart-system technology and a sleek new LED remote, the Powerfly gives you more connection and control on every ride, so you can explore more of the world just the way you want to.
![Trek Powerfly FS 4 Equipped Gen 3 2024 - BlueSage/Juniper](https://cdn11.bigcommerce.com/s-h4smy34w/images/stencil/original/image-manager/trek-powerfly-statistics-.jpg?t=1713361029)
Removable Integrated Battery
RIB is a one-piece battery and cover with a built-in handle that can easily be removed and re-installed in the frame with no tools and no hassle. It’s the most convenient way to remove your battery for transport, security or just easier charging.
![Trek Powerfly FS 4 Equipped Gen 3 2024 - BlueSage/Juniper](https://cdn11.bigcommerce.com/s-h4smy34w/images/stencil/original/image-manager/trek-powerfly-fs-4-equipped-gen-3-bluesage-juniper-2024-rib-battery-.jpeg?t=1713452683)
Bosch Performance Line CX motor
The Bosch Performance Line CX sets the standard for Trek eMTB performance with up to 85 Nm of torque and an intelligent eMTB mode with Extended Boost that automatically adjusts the amount of assist based on the terrain.
![Trek Powerfly FS 4 Equipped Gen 3 2024 - BlueSage/Juniper](https://cdn11.bigcommerce.com/s-h4smy34w/images/stencil/original/image-manager/trek-powerfly-fs-4-equipped-gen-3-bluesage-juniper-2024-motor-.jpeg?t=1713452743)
Bosch LED Remote
The Bosch smart system LED remote lets you easily change assist modes, activate walk mode or turn on optional lights. The bright LEDs are easy to see in any light, and show you your battery level and assist mode at a glance.
![Trek Powerfly FS 4 Equipped Gen 3 2024 - BlueSage/Juniper](https://cdn11.bigcommerce.com/s-h4smy34w/images/stencil/original/image-manager/trek-rail-8-gx-axs-t-type-gen-3-2024-lava.jpeg?t=1712328679)
Bosch eBike Flow app
The new eBike Flow app turns your Trek full suspension electric mountain bike into a personalized experience. Use it to customize your motor's assist behavior, track your ride stats, and integrate your data with apps like Strava and Apple Health. There's even handy features like navigation and service reminders.
![Trek Powerfly FS 4 Equipped Gen 3 2024 - BlueSage/Juniper](https://cdn11.bigcommerce.com/s-h4smy34w/images/stencil/original/image-manager/bosch-flow-app.jpeg?t=1713360349)
Geometry
![Trek Powerfly FS 4 Equipped Gen 3 2024 - BlueSage/Juniper](https://cdn11.bigcommerce.com/s-h4smy34w/images/stencil/original/image-manager/trek-powerfly-fs-geometry-image-large.jpeg?t=1713438890)
![Trek Powerfly FS 4 Equipped Gen 3 2024 - BlueSage/Juniper](https://cdn11.bigcommerce.com/s-h4smy34w/images/stencil/original/image-manager/trek-powerfly-fs-4-equipped-2024-geometry-table-.jpg?t=1713453123)
- FRAME:
- Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armour, rocker link, rack and mudguard mount, ABP, Boost148, 100 mm travel
- FRAME MATERIAL:
- Aluminium
- FORK BRAND:
- SR Suntour
- FORK:
- SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 100 mm travel
- FORK TRAVEL:
- 100 mm
- REAR SHOCK:
- SR Suntour Edge R, 190 mm x 45 mm
- MOTOR:
- Bosch
- MOTOR CONTROLLER:
- Bosch Smart System LED Remote
- DISPLAY:
- Bosch Smart System Kiox 300
- DRIVE UNIT:
- Bosch Peformance Line CX (85 Nm ) Smart System
- BATTERY:
- Bosch PowerTube 625 Wh Battery
- RANGE EXTENDER:
- N/A
- CHARGER:
- Bosch standard 2A, 230V, smart system
- WHEEL SIZE:
- 29
- WHEELS:
- Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle - Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle - Bontrager Kovee, double-wall, Tubeless-Ready, 32-hole, 23 mm width, Pr
- TYRES:
- Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, Size: XS , S: 27.5x2.40" Size: M , L , XL: 29x2.40"
- DROPPER SEATPOST:
- Yes
- SEATPOST:
- TranzX JD-YSP18, 130 mm travel, internal routing, 31.6 mm
- SADDLE:
- Bontrager Commuter Comp
- CRANKSET:
- FSA Bosch CK-220, 36T ring, 165 mm length
- STEM:
- Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree
- GRIPS:
- Bontrager XR Trail Comp, nylon lock-on
- SHIFTERS:
- Shimano U4000, 9-speed
- BRAKE BRAND:
- Tektro
- HYDRAULIC BRAKES:
- Yes
- BRAKES:
- Tektro HD-M275 hydraulic disc
- REAR DERAILLEUR:
- Shimano CUES U4000
- CHAIN:
- Shimano LG500, 9/10/11-speed
- NUMBER OF GEARS:
- 9 Speed
- PEDALS:
- Available for Purchase
- FRONT LIGHT:
- Supernova E3 Mini-2 rear light, LED
- REAR LIGHT:
- Herrmans H-Black MR8-E, 180 Lumen, 60 Lux, LED, headlight
- KICKSTAND:
- Pletscher Comp Flex 18
- FRONT MUDGUARD:
- Trek Powerfly FS custom mudguard
- REAR MUDGUARD:
- Trek Powerfly FS custom mudguard
- PANNIER CARRIER:
- MIK-compatible alloy rear rack
- EXTRAS:
- N/A
- TYPE OF BIKE:
- Cross Country
- DESIGNED FOR:
- Speed and efficiency on the climbs, perfect for covering longer distances quickly due to a lightweight frame.
- IDEAL TERRAIN:
- Smoother, single-track off-road trails with minimal technical features. Can be used for both road and off-road riding.
- PLEASE NOTE:
- Trek reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing.