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The Powerfly FS+ 8 is a deluxe full-power, full suspension electric mountain bike ready for adventure.
The Powerfly FS+ 8 is a deluxe full-power, full suspension electric mountain bike ready for adventure.
Trek

Trek Powerfly FS+ 8 Gen 4 E-Mountain Bike In Matte/Gloss Mulsanne Blue

£6,400.00
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Trek Powerfly FS+ 8 Gen 4 E-Mountain Bike In Matte/Gloss Mulsanne Blue

Season:2025

Brand:Trek

Code:48618BLU

The Powerfly FS+ 8 is a deluxe full-power, full suspension electric mountain bike ready for adventure.

Its sturdy aluminium frame partners with just enough travel to smooth out rough trails, with 130 mm front and 120 mm rear suspension. It comes equipped to go anywhere with a powerful Bosch Performance Line CX motor and a huge 800 Wh Removable Integrated Battery 2.0 (RIB 2.0), so you never have to limit your exploring.

It's right for you if...You want to explore without limits and you want a powerful e-bike to take you everywhere. You're looking for full assist to flatten long, punchy climbs and just enough trail-smoothing suspension to deliver confident handling in the rough. You want upgrades where they matter, like the clean, wireless shifts of a SRAM AXS T-Type transmission.

The tech you get - An Alpha Platinum Aluminium frame with a Bosch Performance Line motor CX (85 Nm, 250 W), a huge 800 Wh PowerTube RIB 2.0 removable integrated battery and Purion 200 controller. 130 mm front and 120 mm rear suspension from a FOX Rhythm 36 fork and a FOX Float Rhythm shock. Tubeless-ready wheels with puncture-resistant 2.4˝ tyres, a 12-speed wireless SRAM GX Eagle AXS T-Type transmission for clean shifts, a Bontrager Line dropper post and hydraulic disc brakes.

The final word - The Powerfly FS+ 8 is an electric mountain bike built for discovering what's beyond the next climb. It features just enough trail-smoothing suspension to boost comfort and confidence, and plenty of power to get you wherever you want to explore.

Features:

  • The Powerfly FS+ gives you the powerful boost you crave on high alpine climbs, confident comfort on descents and a big battery for getting far out there
  • Bosch's Performance Line CX motor delivers plenty of torque for steep, punchy climbs and is easy to control with the Purion 200 remote – plus you can customise it in the eBike Flow app
  • Its RIB 2.0 removable integrated battery is easy to remove for travel and storage, and its virtually rattle-free while you ride
  • You can customise the Powerfly for how and where you ride, with mounts for bags, lights and racks
  • Want to ride even further? The Powerfly FS+ is compatible with Bosch PowerMore booster batteries, so you can explore from dawn to dusk
Technical Information
  • Frame
    Alpha Platinum, Removable Integrated Battery (RIB 2.0), tapered headtube, internal routing, Motor Armour, rack and mudguard mounts, ABP, Boost 148, 120 mm travel
  • Fork
    Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 130mm travel
  • Shock
    Fox Float Rhythm, 2-position damper, 210x50 mm
  • Max Compatible Fork Travel
    See service manual
  • Wheel Front (Size: S)
    Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"
  • Wheel Front (Size: M, L, XL)
    Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29"
  • Wheel Rear (Size: S)
    Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 27.5''
  • Wheel Rear (Size: M, L, XL)
    Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29''
  • Skewer Rear
    Bontrager Switch thru-axle, removable lever
  • Tyre (Size: S)
    Bontrager Gunnison Pro XR, Tubeless-Ready, wire bead, 60 tpi, 27.5x2.40"
  • Tyre (Size: M, L, XL)
    Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40"
  • Tyre Part
    Bontrager TLR sealant, 180 ml/6 oz
  • Rim Strip
    Bontrager TLR
  • Max Tyre Size
    Frame: 29x2.50" (S: 27.5x2.50"), Fork: see manufacturer
  • Battery
    Bosch PowerTube 800 Wh, smart system
  • Charger
    Bosch standard 4A, 230V, smart system
  • Computer (Size: S, M, L, XL)
    Bosch Kiox 300, smart system
  • Computer (Size: S, M, L, XL)
    Bosch LED remote, smart system
  • Motor
    Bosch Performance Line CX, 20 mph (25 km/h in Europe)
  • Shifter
    SRAM AXS POD
  • Rear Derailleur
    SRAM GX Eagle AXS, T-Type
  • Crank
    SRAM GX, 160 mm length
  • Cassette
    SRAM Eagle XS-1275, T-Type,10-52, 12-speed
  • Chain
    SRAM GX Eagle, T-Type, 12-speed
  • Pedal
    VP-536 nylon platform
  • Max. Chainring Size
    1x: 38T
  • Saddle
    Bontrager Verse P3, steel rails
  • Seatpost (Size: S)
    Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length
  • Seatpost (Size: M, L, XL)
    Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length
  • Handlebar
    Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width
  • Grips
    Bontrager XR Trail Comp, nylon lock-on
  • Stem
    Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
  • Head Set
    FSA IS-2, 1-1/8" top, 1.5" bottom
  • Brake
    SRAM DB 8 4-piston hydraulic disc
  • Rotor Size
    Max brake rotor sizes – Frame: 220 mm, min 180 mm, Fork: see fork manufacturer
  • Weight Limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
Sizing Information
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