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The Powerfly FS+ 4 is a full-power full suspension electric mountain bike for taking on alpine adventures.
The Powerfly FS+ 4 is a full-power full suspension electric mountain bike for taking on alpine adventures.
Trek

Trek Powerfly FS+ 4 Gen 4 Electric Mountain Bike 2025 in Pennyflake/Black Olive

£4,125.00
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Trek Powerfly FS+ 4 Gen 4 Electric Mountain Bike 2025 in Mercury/Dark Web
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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.

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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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Any item, except food, face masks or e-gift vouchers (full e-gift vouchers T&Cs are listed on the respective product pages) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase. It is recommended that you use a recorded delivery service to ensure your items are received by us. We cannot assume responsibility for items that are lost in the post.

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Items must be returned in their original packaging and unused. Refunds will be issued once the products have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:

1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £24.99 for collection. If you do not have the original box, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid receipt.

Trek Powerfly FS+ 4 Gen 4 Electric Mountain Bike 2025 in Pennyflake/Black Olive

Season:2025

Brand:Trek

Code:48614ORG

The Powerfly FS+ 4 is a full-power full suspension electric mountain bike for taking on alpine adventures. It features 130 mm of front and 120 mm of rear trail-smoothing travel and a powerful Bosch Performance Line motor with a PowerMore compatible Removable Integrated Battery 2.0 (RIB 2.0) for getting far, far out there.

You're itching to explore and want a full-power, fully-capable e-MTB to take you there. You want the trail-smoothing benefits of a full-suspension mountain bike for rough roads and light singletrack, but don't see steep rock gardens or jump trails in your forecast.

An Alpha Platinum Aluminium frame with a Bosch Performance Line motor (85 Nm, 250 W), a 600 Wh PowerTube RIB 2.0 removable integrated battery and Purion 200 controller. 130 mm front and 120 mm rear suspension from a RockShox Recon Silver RL fork with Solo Air spring and Motion Control damper and a RockShox Deluxe Select shock. Tubeless-ready wheels with puncture-resistant 2.4˝ tyres, a 10-speed Shimano CUES drivetrain for clean shifts, a Bontrager Line dropper post and hydraulic disc brakes.

Explore the beyond with Powerfly FS+ 4. This capable and powerful e-MTB is ready to keep you soaring up the trail with a grin as big as you have on the downs. Its capable full-suspension set-up smooths rough tracks and boosts confidence while you venture to alpine yurts or just around town.

Please note: The primary image for this product is a render, and does not display the final specification of the bike. Images and specifications will be updated when this information becomes available.

Key Features & Benefits:

  • Bosch PerformanceLine CX motor:Delivers plenty of torque for steep, punchy climbs and is easy to control with the Purion 200 remote
  • Bontrager Line Dropper Post:Lets you lower your saddle on the fly so it's out of the way on descents.
  • Shimano CUES 10-Speed Drivetrain:Simplicity combined with a wide gear ratio.

Full Specifications:

  • 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:RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 130 mm travel
  • Rear Shock:
  • Motor:Bosch Performance CX, smart system, magnesium motor body, 85 Nm, 15 mph max assist
  • Battery:Bosch PowerTube 600 Wh, smart system
  • Controller:Bosch Purion 200 Remote
  • Charger:Bosch standard 2A, 230V, smart system
  • Number of Gears:10
  • Gear Shifters:Shimano U6000, 10-speed
  • Chainset:FSA Bosch CK-220, 36T ring, 165 mm length
  • Chainrings:36T
  • Rear Cassette:Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed
  • Chain:Shimano LG500, 9/10/11-speed
  • Front Derailleur:N/A
  • Rear Derailleur:Shimano CUES U6000 GS
  • Pedals:VP-536 nylon platform
  • Rims:
  • Front Hub:Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
  • Rear Hub:Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
  • Front Tyre:Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40" (XS: 27.5x2.40")
  • Rear Tyre:Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40" (XS: 27.5x2.40")
  • Brakes:Tektro Gemini SL 4 piston hydraulic brake
  • Handlebars:Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width
  • Grips:Bontrager XR Trail Comp, nylon lock-on
  • Headset:FSA IS-2, 1-1/8" top, 1.5" bottom
  • Stem:Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
  • Saddle:Bontrager Verse P3, steel rails
  • Seatpost:Bontrager Line Dropper, MaxFlow, internal routing, 31.6 mm, S: 100 mm travel, 310 mm length M/L/XL: 170 mm travel, 450 mm length
  • Weight:
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Size Guide for Powerfly FS+

Smaller Powerfly FS frames feature a curved top tube that makes standing over the bike easier.
SizeRider HeightRider HeightInseamInseam
S155 - 165 cm5'1" - 5'5"74 - 78 cm29" - 31"
M165 - 176 cm5'5" - 5'9"79 - 83 cm31" - 33"
L177 - 188 cm5'10" - 6'2"84 - 89 cm33" - 35"
XL188 - 195 cm6'2" - 6'5"89 - 91 cm35" - 36"

Geometry Information for Powerfly FS+

Frame size number15.5"17.5"19.5"21.5"
Frame size letterSMLXL
Wheel size27.5"29"29"29"
A —Seat tube38404245
B —Seat tube angle71.1°71.3°71.2°72.4°
Effective seat tube angle77.0°77.0°77.0°77.0°
C —Head tube length13111315
D —Head angle65.0°66.0°66.0°66.0°
E —Effective top tube56.359.56365.4
F —Bottom bracket height3333.533.533.5
G —Bottom bracket drop34.54.54.5
H —Chainstay length45.846.146.146.1
I —Offset4.44.44.44.4
J —Trail12.312.512.512.5
K —Wheelbase120.1122.3125.7129
L —Standover75.67877.577.8
M —Frame reach42.54547.550
N —Frame stack59.762.964.766.6

Warranty Information for Trek:

Lifetime warranty on Frame sets (frame and rigid fork), main frame and full suspension swing arms for the lifetime of the original owner, and Bontrager wheels with carbon rims.

2-year warranty on Rear suspension linkage components, including bearings, rocker link and accompanying hardware and components, Bontrager wheels with alloy rims, Paint and transfers.

For full warranty policy please visit trekbikes.com

Sizing Information
Trek Sizing Guide
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