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Powerfly FS+ 8 Gen 4 2025 — Matte/Gloss Mulsanne Blue
Trek800 Wh100 Nm

Powerfly FS+ 8 Gen 4 2025

Suggested retail price
52.399 kr.
Sizes
SMLXL
Colorway — Matte/Gloss Mulsanne Blue
Drivetrain
Balanced
Frame
Balanced
Wheels
Core
Motor
Performance
Suspension
Core
How we rate
About the build

The build is a bit mixed, putting modest wheels at Core-tier side by side with a standout motor at Performance-tier. Pure SRAM throughout — no mixed components.

Worth knowing
  • 4 sizes, reach from 425 to 500 mm
  • 2,4" tyres, tubeless-ready
  • 100 Nm and 800 Wh — moderate power and range for an e-MTB

Available at

Manufacturer
trekbikes.com
Own site

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Manufacturer's description

Powerfly+ FS 8 er en stærk, luksuriøs el-mountainbike med full-suspension til at cykle helt ud i det grønne. Det robuste stel i Alpha Platinum Aluminum kombineret med forgaffel og bagdæmper fra FOX (120 mm bag, 130 mm foran) udjævner grove spor, og en 12-speed trådløs SRAM GX Eagle AXS drivlinje sikrer et velfungerende gearskifte i selv det mest bumlede terræn. SRAM DB 8 hydrauliske skivebremser med fire stempler giver kontrol og øjeblikkelig stopkraft på løse, våde og stejle spor.

Specifications

Frame

FrameAlpha Platinum Aluminium, integreret og aftageligt RIB 2.0-batteri, konisk styrehoved, intern ledningsføring, Motor Armor-motorbeskyttelse, justerbar geometri med Mino Link, justerbar affjedringskurve, 34,9 mm sadelrør, ABP, UDH, beslag til bagagebærer og skærme, Boost148, 120 mm slaglængdeDanishBalanced

Suspension

ForkFox Rhythm 36, Float EVOL-luftfjeder, GRIP-dæmper, konisk styrrør, 44 mm offset, Boost110, 15 mm Kabolt-aksel, 130 mm vandringDanishCore
Rear ShockFox Float Rhythm, dæmper m. 2 indstillinger, 210 × 50 mmDanishCore

Motor

MotorBosch Performance Line CX (Europa og APAC: 25 km/t, USA og RAV: 20 mph/32 km/t)DanishPerformance

Drivetrain

ChainSRAM GX Eagle, type T, 12 gearDanish
CrankSRAM GX, 160 mm langDanishBalanced
Rear DerailleurSRAM GX Eagle AXS, type TDanishBalanced
CassetteSRAM Eagle XS-1275, type T, 10-52, 12 gearDanishBalanced
ShiftersSRAM AXS podDanishBalanced

Wheels & Tires

WheelsetBontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 27.5''; Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29''; Bontrager Line Comp 30, Tubeless Ready, 6-bolts, Boost110, 15 mm gennemgående aksel, 27.5"; Bontrager Line Comp 30, Tubeless Ready, 6-bolts, Boost110, 15 mm gennemgående aksel, 29"DanishCore
TireBontrager Gunnison Pro XR, Tubeless Ready, kanttråd af stål, 60 tpi, 27,5x2,40"; Bontrager Gunnison Pro XR, Tubeless Ready, dobbelt gummiblanding, kanttråd af aramid, 60 tpi, 29x2,40"DanishPerformance

Headset

HeadsetFSA IS-2, 1 1/8" øverst, 1,5" nederstDanish

Headset Part

Headset Part1-1/8" uden gevind, lukkede kassettelejerDanish

Chain Ring

Chain RingSRAM T-Type, 34T, stålDanish

Pedal

PedalNylonplatformDanish

Stem

StemBontrager Comp, 31,8 mm, Blendr-kompatibel, 7 grader, 50 mm længdeDanish

Saddle

SaddleBontrager Verse P3, stålskinnerDanish

Handlebar

HandlebarBontrager Comp, alu, 31,8 mm, 40 mm rise, 780 mm breddeDanish

Seatpost Part

Seatpost PartBontrager Line Dropper alu, fjernbetjent m/indv. ledningsføringDanish

Battery

BatteryBosch PowerTube 800 Wh, Smart SystemDanish

Seat Collar

Seat CollarBoltmonteret, 36.4 mmDanish

Computer

ComputerBosch [Kiox 300, Smart System, LED-fjernbetjening, smart-system]Danish

Valve

ValveBontrager TLR-ventil, 50 mmDanish

Charger

ChargerBosch standard 4 A, 230 V, smart-systemDanish

Grips

GripsBontrager XR Trail Comp, låsekrave af nylonDanish

Brake

BrakeSRAM DB 8 hydraulisk skivebremse, 4 stemplerDanish

Rear Skewer

Rear SkewerBontrager Switch gennemgående aksel, aftageligt grebDanish

Seatpost

SeatpostBontrager Line dropper-sadelpind, 100 mm vandring, MaxFlow, indvendig kabelføring, 31,6 mm, 310 mm lang; Bontrager Line dropper-sadelpind, 170 mm vandring, MaxFlow, indvendig kabelføring, 31,6 mm, 450 mm langDanish

Tire Part

Tire PartBontrager TLR forseglingsvæske, 177 ml (6 oz)Danish

Fender

FenderTrek brugertilpasset skærmDanish

Rim Strip

Rim StripBontrager Race TLRDanish
SMLXL
Stack597 mm629 mm647 mm666 mm
Reach425 mm450 mm475 mm500 mm
Head Tube Angle65°66°66°66°
Seat Tube Angle77°77°77°77°
Top Tube (horizontal)563 mm595 mm630 mm654 mm
Head Tube Length130 mm110 mm130 mm150 mm
Chainstay458 mm461 mm461 mm461 mm
Wheelbase1.201 mm1.223 mm1.257 mm1.290 mm
BB Drop30 mm45 mm45 mm45 mm
BB Height330 mm335 mm335 mm335 mm
Standover756 mm780 mm775 mm778 mm
Fork Rake44 mm44 mm44 mm44 mm
Trail123 mm125 mm125 mm125 mm
Seat Tube Length380 mm400 mm420 mm450 mm

Other options

Same component tiers for lessTrek Rail+ 8 Gen 544.299 kr.Better wheels for the same price or lessCannondale Moterra SL 2 202551.999 kr.One tier up for 600 kr. moreTrek FUEL+ EX 9.752.999 kr.

Compared on suggested retail prices.