Trek Powerfly FS+ 8 Gen 4 800Wh 2026 Electric Bike Gloss Lava/Matte Dark Web

Trek Powerfly FS+ 8 Gen 4 2026

 

The Trek Powerfly FS+ 8 Gen 4 2026 is a full-suspension electric mountain bike designed for limitless adventures and explorations. Thanks to its powerful Bosch Performance Line CX motor and high-capacity battery, it will allow you to confidently conquer the most demanding trails.

 

Key Features

 

Frame: Alpha Platinum Aluminum with integrated removable RIB 2.0 battery, tapered head tube, internal cable routing, Motor Armor protection, adjustable Mino Link geometry, and ABP. Designed to offer stiffness, durability, and excellent suspension management.

 

Suspension: FOX Rhythm 36 Float EVOL air fork with 130mm travel and FOX Float Rhythm shock with 120mm rear travel. They offer superior shock absorption for exceptional control and comfort on rough terrain.

 

Motor: Bosch Performance Line CX (85 Nm, 250 W) with maximum assistance up to 25 km/h (EU). Powerful and reliable for tackling the steepest climbs.

 

Battery: Bosch PowerTube 800 Wh, integrated and removable (RIB 2.0). Offers long range for extended rides.

 

Display: Bosch Kiox 300, smart system. Shows relevant route information and e-bike status.

 

Drivetrain: SRAM GX Eagle AXS T-Type, 12-speed. High-performance wireless shifting for precise and fast gear changes in all conditions.

 

Brakes: SRAM DB 8 4-piston hydraulic disc brakes. Reliable and modulated braking power for total control on descents.

 

Wheels: Bontrager Line Comp 30, Tubeless Ready, 29". Robust and lightweight wheels for optimal mountain performance.

 

Tires: Bontrager Gunnisson Pro XR, Tubeless Ready, 29 x 2.40". They offer excellent grip and optimal puncture protection.

 

Dropper Seatpost: Bontrager Line Dropper, 170mm travel. Allows on-the-fly seat height adjustment for increased agility and safety.

 

Handlebar and Stem: Bontrager Comp aluminum handlebar and stem. Designed for a comfortable and ergonomic riding position.

 

Saddle: Bontrager Verse P3. Designed to provide comfort and support during long rides.

 

Usage and Benefits

 

Explore without limits: The combination of suspension, a powerful motor, and a long-range battery allows you to reach remote places and enjoy long rides.

 

Comfort and control: The full suspension and high-quality components ensure a smooth and safe ride, even on the most technical terrain.

 

Optimized performance: The SRAM GX Eagle AXS wireless drivetrain and 4-piston disc brakes offer precise and reliable performance.

 

Adaptability: Compatible with range extender batteries and customizable via the Bosch e-Bike Flow app to adjust motor assistance and track your rides.

 

Summary

 

The Trek Powerfly FS+ 8 Gen 4 2026 is a full-suspension electric mountain bike ready for adventure. With its robust frame, Fox suspension, powerful 85 Nm Bosch Performance Line CX motor, 800 Wh battery, and SRAM GX Eagle AXS wireless drivetrain, it offers an exceptional riding experience for cyclists who want to explore without limits and fully enjoy every trail.

 

 

Bike Frame

Frame

Alpha Platinum Aluminum, integrated removable battery (RIB 2.0), tapered head tube, internal cables, Motor Armor motor protection, adjustable head angle, adjustable Mino Link geometry, adjustable leverage ratio, 34.9 mm seat tube, ABP, UDH, mounting points for

Fork

Fox Rhythm 36, Float EVOL air spring, GRIP, tapered steerer tube, 44mm offset, Boost110, 15mm Kabolt axle, 130mm travel

Shock

Fox Float Rhythm, 2-position damping, 210x50 mm

Material

Aluminum

 

Cockpit

Handlebar

Bontrager Comp, aluminum, 31.8 mm, 40 mm rise, 780 mm width

Stem

Bontrager Comp, 31.8 mm, Blendr compatible, 7 degrees, 50 mm length

Headset

FSA IS-2, 1-1/8" top and 1.5" bottom

Grips

Bontrager XR Trail Comp with nylon lock-on

Brakes

Front Brake

SRAM DB 8 4-piston hydraulic disc // SRAM DB 8 4-piston hydraulic disc Maximum dimensions Hydraulic disc brake

Rear Brake

SRAM DB 8 4-piston hydraulic disc // SRAM DB 8 4-piston hydraulic disc Maximum dimensions Hydraulic disc brake

Saddle Components

Saddle

Bontrager Verse P3, steel rails

Seatpost

Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length

Drivetrain

Shifters

SRAM AXS POD

Rear Derailleur

SRAM GX Eagle AXS, T-Type

Crankset

SRAM GX, 160 mm length

Pedals

Unbranded VP-536 nylon platform

Cassette

SRAM Eagle XS-1275, T-Type, 10-52, 12 speed

Chain

SRAM GX Eagle, T-Type, 12 speed

Gears

1x12

Wheels

Front Wheel

Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29" Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29''

Rear Wheel

Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29" Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29''

Front Tire

Bontrager Gunnisson Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40", size S: Bontrager Gunnisson Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40”

Rear Tire

Bontrager Gunnisson Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40", size S: Bontrager Gunnisson Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40”

Mudguards

Custom Trek

eBike Components

eBike Motor

Bosch Performance Line CX, max assistance 32 km/h (max assistance 25 km/h in EU and APAC)

eBike Battery

800 Wh

Display

Bosch Kiox 300, smart system

eBike Charger

Bosch standard 4 A, 230 V, smart system