Powerfly FS 9 EQ US S 27.5 Lithium Grey/Crimson

By Trek
$5,299.93 $6,499.99
SKU: 5302683 // Barcode: 601479135943

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Powerfly FS 9 EQ is a full suspension electric mountain bike that’s built for singletrack sessions and rugged commutes. You get top-tier parts, like SRAMs GX AXS wireless transmission that shifts clean under load, a powerful drive system, and a serious upgrade to the suspension setup with a FOX AWL fork for tackling rougher trails. And, it comes with utility-focused features for daily riding, like fenders, lights, and a rear rack.
  • Powerfly FS Gen 3 is built with Boschs smart system and LED remote, so you get reliable connectivity for navigation, ride tracking, and more with the eBike Flow app
  • It comes equipped with fenders, a rear trunk rack, and lights that are powered by the battery so youre ready to ride right from the start
  • It gives you the best of both worlds with full-suspension for descending, and power for the ups: it soaks up rugged terrain so you can ride the Bosch pedal-assist smart system to its full potential
  • Adventure Without Limits — the extra-burly and eSUV optimized fork packs in mounts for a fender, rack, and lights
  • Treks 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

Removable Integrated Battery

RIB is a one-piece battery and cover with a built-in handle that can easily be removed and re-installed in the frame with no tools and no hassle. It’s the most convenient way to remove your battery for transport, security, or just easier charging.

Bosch Performance Line CX motor

Bosch Performance Line CX sets the standard for eMTB performance with up to 85Nm of torque and an intelligent eMTB mode with Extended Boost that automatically adjusts the amount of assist based on the terrain.

Bosch Performance Line CX motor

Bosch Performance Line CX sets the standard for eMTB performance with up to 85Nm of torque and an intelligent eMTB mode with Extended Boost that automatically adjusts the amount of assist based on the terrain.

Bosch LED Remote

The Bosch smart system LED remote lets you easily change assist modes, activate walk mode, or turn on optional lights. The bright LEDs are easy to see in any light, and show you your battery level and assist mode at a glance.

Bosch Kiox 300 display

The Bosch Kiox 300 is tough, compact, and easy to read with a full-color display. Keep ride data right where you can see it including rider power, motor output, speed, remaining range, and more.

Adventure-ready accessories

Powerfly Equipped gives you maximum utility thanks to pre-installed accessories. You get a kickstand, front and rear lights, plus fenders and a rear rack custom made for clean integration.


Frame Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armor, rocker link, rack and fender mount, ABP, Boost148, 100mm travel
Fork FOX AWL, tapered steerer, 44mm offset, Boost 110, 15mm Kabolt axle, fender mounts, 100mm travel
Shock RockShox SID Select+, 190mm x 45mm
Wheel Front Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5
Wheel Rear Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 27.5
Tire Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 27.5x2.40
Rim Strip Bontrager TLR
Skewer Rear Bontrager Switch thru axle, removable lever
Shifter SRAM AXS POD
Rear Derailleur SRAM GX Eagle AXS, T-Type
Crank SRAM GX, 165mm length
Cassette SRAM Eagle XS-1275, T-Type, 10-52, 12 speed
Chain SRAM GX Eagle, T-Type, 12 speed
Chainring SRAM T-Type, 36T, steel
Brake SRAM Level Bronze 4-piston hydraulic disc // SRAM Level Bronze 4-piston hydraulic disc
Brake Rotor SRAM 6-bolt, 200mm
Pedal VP-536 nylon platform
Saddle Bontrager Commuter Comp
Seatpost Bontrager Line Dropper, 100mm travel, internal routing, 31.6mm, 345mm length
Seat Collar Bolt-on, 36.4mm
Handlebar Bontrager Rhythm Comp, alloy, 31.8mm, 15mm rise, 750mm width
Stem Bontrager Elite, 31.8mm, Blendr light mount, 7 degree rise, 60mm length
Headset FSA IS-2
Grips Bontrager XR Endurance Comp, lock-on
Fender Trek Powerfly 27.5 custom fender
Light Supernova E3 Mini-2, LED, taillight // Supernova Mini 2, 5-21V, LED, headlight
Kickstand Adjustable length alloy kickstand
Battery Bosch PowerTube 625Wh, smart system
Motor Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm
Charger Bosch standard 4A, 110V, smart system

Geometry Chart

B B Drop 2.4
B B Height 33.2
Chainstay Length 46.8
Eff Seat Tube Angle 76.0°
Eff Top Tube 56.4
Frame Reach 41.5
Frame Size Letter S
Frame Size Number 15.5"
Frame Stack 59.9
Head Angle 66.5°
Head Tube Length 14
Offset 4.4
Seat Tube 39.5
Seat Tube Angle 68.3°
Standover 69.1
Trail 10.7
Wheelbase 118
Wheel Size 27.5"