Trek Powerfly FS 4 Gen 3

Trek
Size
Color
Price
Regular price $6,199.00
Regular price $8,499.00 Sale price $6,199.00
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ONE MONTH ONLY TREK-TEMBER LAUNCH SPECIAL

Powerfly FS 4 is a full suspension electric mountain bike built to tackle rugged trail adventures. The plush suspension set-up soaks up rough terrain, and the powerful Bosch electric drive system boosts your capacity to crush climbs and mile after mile of singletrack.

 

It's right for you if...

You want to get out and explore more trails. You're looking for an e-MTB with trail-smoothing full suspension and the reliable, leg-boosting power of an electric drive system made specifically for the demands of off-road riding.

The tech you get

A durable aluminium frame that fully encases a long-range 500 Wh battery. The latest from Bosch with smart system Performance Line CX motor, capable of speeds up to 20 mph (25 km/h in Europe), including the new Bluetooth® LED remote for easy connectivity and all-in-one navigation and activity tracking through the eBike Flow app. Plus, a 120 mm suspension fork, 100 mm of rear travel, a 10-speed Shimano drivetrain and a dropper post.

The final word

This full suspension e-MTB is comfortable, efficient and fast on rough terrain. The powerful Bosch electric drive system makes it possible to tackle any climb you encounter and adventure further than ever.


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 Why you'll love it

  1. For e-MTB, full suspension is a game-changer: it soaks up rugged terrain so you can ride the Bosch pedal-assist smart system to its full potential
  2. Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy to remove the battery without tools and lets you mount a water bottle cage – even on full suspension e-MTBs
  3. The dropper post lets you lower your saddle on the fly so it's out of the way on descents
  4. It comes equipped with Walk Assist and an intelligent e-MTB mode that automatically delivers the right amount of power based on your terrain
  5. Powerfly FS frames feature a curved top tube that makes standing over the bike easier. Plus, Smart Wheel Sizing means you'll get the fastest wheel that fits – 29˝ wheels on larger frames, 27.5˝ wheels on smaller frames

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

Frameset
Frame Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armour, rocker link, rack and mudguard mount, ABP, Boost148, 100 mm travel
*Fork Size: S
SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 100 mm travel
Size: M , L , XL
SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 120 mm travel
Shock SR Suntour Edge R, 190 mm x 45 mm
Max compatible fork travel 120mm (XS and S: 520mm axle-to-crown, M and up: 545mm axle-to-crown)
Wheels
Hub front Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Hub rear Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
Skewer rear Bontrager Switch thru-axle, removable lever
Rim Alex MD35, tubeless compatible, 32-hole, 35 mm width, Presta valve
*Tyre Size: S
Bontrager XR3 Comp, wire bead, 30 tpi, 27.5x2.35"
Size: M , L , XL
Bontrager XR3 Comp, wire bead, 30 tpi, 29x2.30"
Max tyre size Frame: 29x2.40" (XS & S: 27.5x2.60"), Fork: See manufacturer
E-system
Battery Bosch PowerTube 500 Wh, smart system
Charger Bosch standard 4A, 230V, smart system
Controller Bosch Intuvia 100, smart system
Computer Bosch LED remote, smart system
Motor Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm
Drivetrain
Shifter Shimano Deore M4100, 10 speed
Rear derailleur Shimano Deore M5120, long cage
Crank FSA Bosch CK-220, 36T ring, 165 mm length
Chainring FSA, 36T, steel
Cassette Shimano Deore M4100, 11-46, 10-speed
Chain KMC X10, 10-speed
Pedal VP-536 nylon platform
Max. chainring size 1x: 46T, min 34T
Components
Saddle Bontrager Arvada, steel rails, 138 mm width
*Seatpost Size: S , M
TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length
Size: L , XL
TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length
Handlebar Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width
Grips Bontrager XR Trail Comp, nylon lock-on
*Stem Size: S
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length
Size: M , L , XL
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length
Head set FSA IS-2
Brake rotor Tektro, 6-bolt, 203 mm
Brake Set Tektro HD-M275 hydraulic disc
Rotor size Max brake rotor sizes - Frame: 203mm, Fork: see fork manufacturer
Accessories
Mudguard Trek Powerfly 29" custom fender
Weight
Weight M - 24.64 kg / 54.33 lbs
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.

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