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PowerflyFS4 8EQEU Gen 4 2025 — Mercury/Dark Web
Trek800 Wh100 Nm

PowerflyFS4 8EQEU Gen 4 2025

Suggested retail price
39.999 kr.
Sizes
SMLXL
Colorway — Mercury/Dark Web
Drivetrain
Core
Frame
Balanced
Wheels
Core
Motor
Performance
Suspension
Basic
How we rate
About the build

An uneven spec mix: a value-oriented suspension at Basic-tier set against a standout motor at Performance-tier. Commuter-ready out of the box with a rack, mudguards, lights and a kickstand fitted. The drivetrain is built predominantly around Balanced, with just the cassette swapped for a Core alternative. Similar bikes can be had for less elsewhere in the catalogue.

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 4 800 Wh Equipped er en stærk fuldtaffjedret elektrisk mountainbike til eventyr på stejle skråninger. Den stærke Bosch-motor giver dig et boost op ad enhver stigning, mens et enormt batteri på 800 Wh holder dig kørende på dine længste eventyr. En RockShox-affjedringspakke (120 mm bag, 130 mm foran) udjævner grove spor, og en 10-speed Shimano CUES drivlinje sikrer et letgående gearskifte overalt. Den har både skærme, lygter, bagagebærer og støtteben, så den er klar til lidt af hvert.

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

ForkRockShox Recon Silver, Solo Air affjedring, Motion Control dæmper, lockout, konisk styrrør, 42 mm offset, Boost110, Maxle Stealth, beslag til skærme, 130 mm vandringDanishBasic
Rear ShockRockShox Deluxe Select R, 210 × 50 mmDanishBalanced

Motor

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

Drivetrain

ChainShimano LG500, 9/10/11 gearDanish
CrankFSA Bosch CK-220, 36T ring, 165 mm længdeDanishBalanced
Rear DerailleurShimano CUES U6000 GSDanishBalanced
CassetteShimano CUES LG300, LINKGLIDE, 11-48, 10 gearDanishCore
ShiftersShimano U6000, 10 gearDanishBalanced

Wheels & Tires

Spokes14 g rustfrit stål, sort; 14 g rustfritDanishCore
Front HubShimano TC500 alu, Centerlock, 110x15 mm gennemgående akselDanishCore
Rear HubShimano TC500 alu, Centerlock, 148x12 mm gennemgående akselDanishCore
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
RimBontrager Line TLR 30, Tubeless Ready, [28, 32] huller, racerventilDanishCore

Headset

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

Headset Part

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

Chain Ring

Chain RingFSA, 36T, stålDanish

Pedal

PedalNylonplatformDanish

Saddle

SaddleBontrager Commuter CompDanish

Handlebar

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

Seatpost Part

Seatpost PartBontrager Line Dropper, fjernbetjentDanish

Light

LightSupernova Mini [2, LED, forlygte, 2 LED]Danish

Battery

BatteryBosch PowerTube 800 Wh, Smart SystemDanish

Seat Collar

Seat CollarBoltmonteret, 36.4 mmDanish

Computer

ComputerBosch Purion 200Danish

Cargo Rack

Cargo RackMIK-kompatibel bagmonteret bagagebærer aluDanish

Charger

ChargerBosch standard 2 A, 230 V, smart-systemDanish

Brake Rotor

Brake RotorTektro, Centerlock, 203 mmDanish

Grips

GripsBontrager XR Trail Comp, låsekrave af nylon; Trek Line Comp, nylon Lock-OnDanish

Brake

BrakeTektro Gemini SL hydraulisk bremse med 4 stemplerDanish

Rear Skewer

Rear SkewerBontrager Switch gennemgående aksel, aftageligt grebDanish

Kickstand

KickstandPletscher Comp Flex 18Danish

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

Fender

FenderTrek Powerfly [27,5" brugertilpasset, 29" specialbygget] 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 Powerfly+ 6 Gen 5 202531.999 kr.Better drivetrain for the same price or lessTrek Powerfly+ 8 Gen 5 202539.999 kr.One tier up for 4.300 kr. moreTrek FUEL+ EX 8 Gen 244.299 kr.

Compared on suggested retail prices.