The Powerfly FS 4 Equipped is a trail-ready full-suspension electric mountain bike that's eager to roll onto the singletrack. The plush suspension set-up soaks up rough-terrain and the powerful Bosch electric drive system boosts your capacity to crush long, punchy climbs and mile after mile of singletrack. Its LED remote and Kiox display pair with the eBike Flow app to give you activity tracking, navigation and Bluetooth connectivity. Plus, it comes ready for anything with mudguards, lights and more.
It's right for you if...
You want to boost your mountain biking capabilities with a high-end pedal-assist system that's equipped for anything. You plan to hit the trail often, and want an upgraded parts spec that'll help you push your limits.
The tech you get
A durable aluminium frame with an ultra-user-friendly Removable Integrated 625 Wh Battery, a powerful Bosch Performance CX (250 Wh, 85 Nm) motor that helps you sustain speeds of up to 20 mph (25 km/h in Europe) and a smart system LED controller and Kiox display. Lights, mudguards and a kickstand keep you ready for anything. Plus, an SR Suntour 100 mm suspension fork, 100 mm of rear travel, a robust 9-speed Shimano CUES drivetrain, powerful hydraulic disc brakes and a dropper post.
The final word
This full-suspension e-MTB boosts comfort and capability on the trail with just the right amount of power to get you through long miles and up steep climbs. Its suspension package cushions rough trails so you can comfortably reach new destinations.
| 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: XS , S SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 41mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 100 mm travel |
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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, 100 mm travel |
|
| Shock | SR Suntour Edge R, 190 mm x 45 mm |
| Max compatible fork travel | 120mm (540mm axle-to-crown), XS and S: 120mm (520mm 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 | Bontrager Kovee, double-wall, Tubeless-Ready, 32-hole, 23 mm width, Presta valve |
| *Tyre |
Size: XS , S Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 27.5x2.40" |
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Size: M , L , XL Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 29x2.40" |
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| Max tyre size | Frame: 29x2.60" (XS & S: 27.5x2.60"), Fork: See manufacturer |
Drivetrain
| Shifter | Shimano U4000, 9-speed |
|---|---|
| Rear derailleur | Shimano CUES U4000 |
| Crank | FSA Bosch CK-220, 36T ring, 165 mm length |
| Chainring | FSA, 36T, steel |
| Cassette | Shimano LINKGLIDE LG300, 11-46, 9-speed |
| Chain | Shimano LG500, 9/10/11-speed |
| Pedal | VP-536 nylon platform |
| Max. chainring size | 1x: 46T |
Components
| Saddle | Bontrager Commuter Comp |
|---|---|
| *Seatpost |
Size: XS , S , M TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length |
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Size: L , XL TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length |
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| Handlebar | Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width |
| Grips | Bontrager XR Endurance Comp, lock-on |
| *Stem |
Size: XS , S Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length |
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Size: M , L , XL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length |
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| 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
| *Light |
Size: XS , S , M , L , XL Supernova E3 Mini-2 rear light, LED |
|---|---|
|
Size: XS , S , M , L , XL Herrmans H-Black MR8-E, 180 Lumen, 60 Lux, LED, headlight |
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| Kickstand | Pletscher Comp Flex 18 |
| Cargo rack | MIK-compatible alloy rear rack |
| *Mudguard |
Size: XS , S Trek Powerfly 27.5" custom fender |
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Size: XS , S , M , L , XL Trek Powerfly FS custom mudguard |
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Size: M , L , XL Trek Powerfly 29" custom fender |
Weight
| Weight | M - 25.65 kg / 56.55 lbs (with tubes) |
|---|---|
| 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.
