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Powerfly+ 4 is an adventure-ready electric mountain bike built for rugged commutes and light singletrack with a powerful Bosch motor and 800Wh battery.
Powerfly+ 4 is an adventure-ready electric mountain bike built for rugged commutes and light singletrack with a powerful Bosch motor and 800Wh battery.
Trek

Trek Powerfly+ 4 800Wh Gen 5 eMountain Bike in Dark Star/Supernova

£2,950.00
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In the unlikely event that you are dissatisfied with your purchase please feel free to return your goods within 30 days of the purchase date for a full exchange or refund. Any item (excluding food and underwear) can be returned to us for any reason provided it is returned in ‘showroom condition’, with its original packaging, tags and a valid receipt/delivery note.

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South Downs Bikes
Internet Department
28 West Street
Storrington
West Sussex
RH20 4EE

If you wish to return your bike to us please keep it in the box it arrived in and contact us and we will arrange a collection.

Please note the following:

  • a) If we have sent you the incorrect bicycle, we will cover the cost of collection and delivery of the correct model.
  • b) If we have delivered the bicycle you ordered, but upon inspection you decide it is not the bike for you, we will charge you £50.00 for the collection.

Please do not ride the bike as a full refund cannot be given if the bike has been used or damaged.

Trek Powerfly+ 4 800Wh Gen 5 eMountain Bike in Dark Star/Supernova

Season:2027

Brand:Trek

Code:79355BLK

Powerfly+ 4 is an adventure-ready electric mountain bike that does not break the bank.

It is built to explore anywhere from rugged commutes to light singletrack with a durable aluminium frame, bump-smoothing SR Suntour suspension fork, and smooth-shifting 10-speed Shimano CUES drivetrain. A powerful Bosch motor and long-range 800Wh battery give you the support and confidence to go farther.

The RIB 2.0 removable integrated battery makes it easy to remove the battery for more convenient charging or travelling, and you do not have to worry about dropping it thanks to a secondary safety catch. You can also pair a 250Wh PowerMore range extender with your bike to chase your most epic adventures.

Bosch's Performance Line CX motor has 85Nm of torque out of the box but can be tuned up to 100Nm or 120Nm and 750W of power using the Bosch eBike Flow app. The all-new Bosch CX motor is lighter, quieter and more powerful than ever without wavering on natural-feeling support. The 800Wh battery provides enormous range, or you can swap to a 600Wh option for a lighter-weight ride with more nimble handling. Customise your ride with mudguards and a rack designed specifically for Powerfly, so you can customise your setup for everyday needs or epic exploration.

Features:

  • Durable aluminium frame
  • SR Suntour suspension fork
  • 10-speed Shimano CUES drivetrain
  • Bosch Performance Line CX motor
  • 800Wh removable integrated battery (RIB 2.0)
  • Compatible with 250Wh PowerMore range extender
Technical Information
  • Frame
    Alpha Platinum Aluminium, Removable Integrated Battery (RIB 2.0), tapered head tube, guided internal routing, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle
  • Fork
    SR Suntour XCM 34, air spring, lockout, rebound adjuster, tapered steerer, Boost110, 15mm thru axle, 120mm travel
  • Hub front
    Shimano TC500 alloy, CentreLock, 110x15 mm thru axle
  • Hub rear
    Shimano TC500 alloy, CentreLock, 148x12 mm thru axle
  • Skewer rear
    Bontrager Switch thru axle, removable lever
  • Rim
    Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve
  • Spokes
    14 g stainless steel, black
  • Tyre
    Bontrager Montrose Comp, wire bead, 30 tpi, 27.5x2.40" (Size S), 29x2.40" (Size M, L, XL)
  • Battery
    Bosch PowerTube 800 Wh, smart system
  • Charger
    Bosch standard 2A, 230V, smart system
  • E-bike classification
    Class 1
  • Shifter
    Shimano U6000, 10-speed
  • Rear derailleur
    Shimano CUES U6000 GS
  • Crank
    FSA Bosch CK-220, 36T ring, 165 mm length
  • Chainring
    FSA, 36T, steel
  • Cassette
    Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed
  • Chain
    Shimano LG500, 9/10/11-speed
  • Pedal
    VP-536 nylon platform
  • Max. chainring size
    1x: 42T
  • Saddle
    Bontrager Commuter Comp
  • Seatpost
    Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm (S), 360 mm (M), 400 mm (L, XL)
  • Handlebar
    Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width
  • Grips
    Bontrager XR Endurance Comp, 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 rotor
    Tektro, CentreLock, 203 mm
  • Max brake rotor size
    Frame: 203mm
  • Weight
    24.90 kg (Size M)
  • Weight limit
    136 kg (combined weight of bicycle, rider and cargo)
Sizing Information
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