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The Trek Powerfly FS+ 4 Gen 4 is a full-suspension electric mountain bike designed for riders who want to explore rugged trails with the added benefit of powerful pedal assistance.
The Trek Powerfly FS+ 4 Gen 4 is a full-suspension electric mountain bike designed for riders who want to explore rugged trails with the added benefit of powerful pedal assistance.
Trek

TREK Powerfly FS+ 4 Gen 5 400Wh Full Suspension Electric Mountain Bike in Mercury and Dark Web

£4,125.00
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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When you purchase this item, you will earn of rewards points to spend on your next purchase from us. You can spend your Rewards balance in-store & online.

Online Returns Policy

If you are not happy with any items purchased via our website, under Consumer Contracts Regulations you have the right to return any unused products for a refund or exchange within 30 days.

When the customer sends an item back to the company (or, when the company arranges for collecting from the customer), the company will process the returned item then notify the customer via email of the refund. The refund will be issued within 3 - 5 working days of the product being received by us, it may then take an additional 3 - 5 working days for the refund to be paid into the customers account.

Return Address:

Team Cycles LTD
Studio 11B
Second Avenue
Team Valley Trading Estate
Gateshead
NE11 0NF

For items returned within the cooling off period...

  • By law, customers have the right to withdraw from the purchase of an item within 14 working days of the date on which the item is delivered.
  • Where you are withdrawing from your purchase within the cooling-off period, and there has been no error on our part, we will refund the cost of the item.
  • The company will not refund the cost of delivery or other services provided to the customer in connection with the purchase.
  • The cost of delivery back to the company is the responsibility of the customer.
  • Where we collect an item from you, we reserve the right to recover the costs of collection from you.
TERMS AND CONDITIONS
  • Returned goods should be unused, in a saleable condition and in their original packaging with all labels still attached. Team Cycles is entitled to refuse the return or deduct from a refund as a result of the product not being in the above condition.
  • We are only able to exchange like for like products. If you require a different item, you will need to opt for a refund and place a new order. All returns must have a completed returns form.
  • We will refund you to your original payment method.
  • We make no charge for returns, there is no restocking fee.
  • Customised items cannot be returned. *
  • Please do not send your purchase back to the manufacturer unless you have been advised to.
  • Team Cycles customers have 30 days from date of delivery to return their orders.
  • Once we have received the returned goods we will refund you, by the method you used to pay for your order. This may take 5-7 working days to appear as cleared funds.

*Faulty customised goods (or goods that have been altered in any way) will need to be returned for inspection as customisation may void your warranty and therefore faults may not be covered.

WARRANTY

All products ordered from Team Cycles come with a full warranty which covers manufacturing faults and defects in workmanship. If you feel that your purchase has developed a fault, please contact our store for an assessment. To do this you will need proof of purchase.

If taking your product in store is not an option then please email our team on [email protected]. Please include photographs of your product (please keep below 20mb), your web order number (or copy of receipt) so we can immediately start to assess the issue.

PLEASE NOTE:

In some cases, the manufacturer/supplier may require to see the item(s) before repair or replacement can take place. If this is the case, we will inform you and arrange how to do this. All used items being returned to us must be cleaned for hygiene purposes.

On receipt of your goods we will carry out a full inspection and contact you within three working days of receipt.

Finance

Team Cycles (North East) Limited acts as a broker and not the lender and offers finance from Secure Trust Bank PLC T/A V12 Retail Finance. Team Cycles (North East) Limited is authorised and regulated by the Financial Conduct Authority, Registration Number 623982. Not all products offered by Secure Trust Bank T/A V12 Retail Finance are regulated by the FCA. Subject to age, status and affordability, minimum spend applies.

TREK Powerfly FS+ 4 Gen 5 400Wh Full Suspension Electric Mountain Bike in Mercury and Dark Web

Season:2025

Brand:Trek

Code:48614GRY

The Trek Powerfly FS+ 4 Gen 4is a full-suspension electric mountain bike designed for riders who want to explore rugged trails with the added benefit of powerful pedal assistance. Built for adventure, it features a combination of 130 mm front and 120 mm rear suspension to smooth out rough terrain, paired with the Bosch Performance Line CX motor for effortless climbing and long-range capability.

Key Features:

  • Alpha Platinum Aluminium Frame with a full-suspension design, providing a robust platform for trail riding with stability and comfort.
  • Bosch Performance Line CX Motor (85 Nm, 250 W) for powerful pedal assistance, making even the steepest climbs feel easy.
  • Removable Integrated Battery (RIB) 2.0 with a 600 Wh PowerTube, which can be upgraded to an 800 Wh battery or enhanced with Bosch's PowerMore booster battery for extended range.
  • 130 mm Front Suspension from the RockShox Recon Silver RL fork with Solo Air spring and Motion Control damper for smooth, controlled handling on technical terrain.
  • 120 mm Rear Suspension via a RockShox Deluxe Select shock, offering rear-wheel compliance on rough tracks and light singletrack.
  • Shimano CUES 10-speed drivetrain for reliable and smooth shifting.
  • Hydraulic Disc Brakes for excellent stopping power in varied conditions, ensuring safety and control on descents.
  • Bontrager Line Dropper Post for easy adjustments to saddle height on the fly, maximizing comfort on climbs and descents.
  • Tubeless-Ready Wheels with puncture-resistant 2.4" tyres to tackle technical trails and rough terrain with confidence.

The Trek Powerfly FS+ 4 is a versatile, full-power e-MTB built to explore alpine trails, offering confidence on rough tracks and a powerful motor to tackle long ascents. With its capable suspension, powerful Bosch motor, and large battery options, it’s perfect for adventurers seeking rugged exploration without sacrificing comfort. Whether you're heading to the backcountry or just cruising around town, the Powerfly FS+ 4 keeps you rolling with ease and control.

Technical Information

*Please note – spec applies to all sizes unless listed separately

Frameset
FrameAlpha Platinum, Removable Integrated Battery (RIB 2.0), tapered headtube, internal routing, Motor Armour, rack and mudguard mounts, ABP, Boost 148, 120 mm travel
ForkRockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 130 mm travel
Max compatible fork travelSee service manual
Wheels
Hub frontShimano TC500 alloy, CentreLock, 110x15 mm thru axle
Hub rearShimano TC500 alloy, CentreLock, 148x12 mm thru axle
Skewer rearBontrager Switch thru-axle, removable lever
*RimSize:S , M , L , XL
Bontrager Line TLR 30, Tubeless-Ready, 28-hole, Presta valve
Size:S , M , L , XL
Bontrager Line TLR 30, Tubeless-Ready, 32-hole, Presta valve
*SpokesSize:S , M , L , XL
14g stainless
Size:M , L , XL
14 g stainless steel, black
*TyreSize:S
Bontrager Gunnison Pro XR, Tubeless-Ready, wire bead, 60 tpi, 27.5x2.40"
Size:M , L , XL
Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40"
Tyre partBontrager TLR sealant, 180 ml/6 oz
Rim stripBontrager TLR
Max tyre sizeFrame: 29x2.50" (S: 27.5x2.50"), Fork: see manufacturer
E-system
BatteryBosch PowerTube 600 Wh, smart system
ChargerBosch standard 2A, 230V, smart system
Drivetrain
ShifterShimano U6000, 10-speed
Rear derailleurShimano CUES U6000 GS
CrankFSA Bosch CK-220, 36T ring, 165 mm length
ChainringFSA, 36T, steel
CassetteShimano CUES LG300, LINKGLIDE, 11-48, 10-speed
ChainShimano LG500, 9/10/11-speed
PedalVP-536 nylon platform
Max. chainring size1x: 38T
Components
SaddleBontrager Verse P3, steel rails
*SeatpostSize:S
Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length
Size:M , L , XL
Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length
HandlebarBontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width
GripsBontrager XR Trail Comp, nylon lock-on
StemBontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
Head setFSA IS-2, 1-1/8" top, 1.5" bottom
BrakeTektro Gemini SL 4 piston hydraulic brake
Brake rotorTektro, CentreLock, 203 mm
Rotor sizeMax brake rotor sizes – Frame: 220 mm, min 180 mm, Fork: see fork manufacturer
Weight
Weight limitThis bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
Sizing Information
size-table
SizeRider HeightInseam
S

155 - 165 cm

5'1" - 5'5"

74 - 78 cm

29" - 31"

M

165 - 176 cm

5'5" - 5'9"

79 - 83 cm

31" - 33"

L

177 - 188 cm

5'10" - 6'2"

84 - 89 cm

33" - 35"

XL

188 - 195 cm

6'2" - 6'5"

89 - 91 cm

35" - 36"

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