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"Powerfly FS wins Best in Test"
"Powerfly FS blends sporty handling, efficient propulsion and long-distance comfort into a harmonious overall concept. The result: pure riding fun! "
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E-MTB Category Winner
"The jury was enthralled by the upright and comfortable riding position on long tours while the bike also shines on moderate terrain thanks to its fun ride and intuitive handling."
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How to ride on mountain bike trails
Guidelines and tips for protecting and sharing the trails you ride.
Learn more5 things to do before every mountain bike ride
Do this quick pre-ride safety check before you hit the trails.
Learn moreHow do Bontrager WaveCel helmets work?
Learn more about a major advancement in the protection against cycling-related head injuries.
Learn moreBosch 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.
Custom eMTB Lite mode
Trek eMTBs feature a custom eMTB Lite mode in place of Tour mode. It gives you more natural-feeling power delivery and longer battery life.
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.
To see how far you can ride your electric mountain bike on a single charge, check out Bosch’s range calculator. We’ve auto-filled the variables for this bike model and the average rider, but you can make adjustments to get your most accurate estimate.
Compliant with leading safety regulations
The e-systems on Trek and Electra e-bikes are third-party tested to meet the latest e-bike safety regulations, including the stringent UL 2849 certification — so all you have to worry about is where your e-bike will take you next.
Suspension Calculator
This suspension calculator will help you optimize your suspension settings for your riding weight. Simply follow the steps to find your best set up.
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Bosch Purion Display
Bosch's Purion display features a fully-functional speedometer with a backlit display, service interval indicator, and battery range indicator. Its thoughtful design allows riders to scroll through functions or choose the right level of support while maintaining contact with handlebars.
Smart Wheel Size
The right wheel size paired with your frame size gives you the perfect combination of responsiveness and control.
Dropper post
Use the remote lever to lower your saddle so it's out of your way when you're descending and cornering.
Integrated speed sensor
You've got one less detail to sweat with the integrated speed sensor. The chainstay-mounted sensor stays protected while the custom hub-mounted magnet stays secure—no more error codes from mis-aligned sensors.
Lighting ready
The bike is already internally wired to accept additional lights. Go to your dealer and simply have them attached to the bike and plug them in.
| Frame | Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armor, magnesium rocker link, rack and fender mount, ABP, Boost148, 100mm 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, 15mm bolt-on thru axle, 100mm travel |
|
Size:
M , L , XL SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44mm offset, oversized crown for eMTB, Boost110, 15mm bolt-on thru axle, 120mm travel |
|
| Shock | SR Suntour Edge R, 190mm x 45mm |
| Max compatible fork travel | 120mm (XS & S: 520mm axle-to-crown, M & up: 545mm axle-to-crown) |
| Hub front | Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle |
|---|---|
| Hub rear | Bontrager Approved DC-3248, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| Rim | Alex MD35, tubeless compatible, 32-hole, 35mm width, Presta valve |
| Spokes | 14g stainless steel, black |
| *Tire |
Size:
XS , S Bontrager XR3 Comp, wire bead, 30tpi, 27.5x2.35'' |
|
Size:
M , XL Bontrager XR3 Comp, wire bead, 30tpi, 29x2.30'' |
|
| Rim strip | Bontrager TLR |
| Max tire size | Frame: 29x2.40" (XS & S: 27.5x2.60"), Fork: See manufacturer |
| Battery | Bosch PowerTube 500Wh |
|---|---|
| Charger | Bosch compact 2A, 100-240V |
| Computer | Bosch Purion |
| Motor | Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 20mph or 32km/h max assist |
| Shifter | Shimano Deore M4100, 10 speed |
|---|---|
| Rear derailleur | Shimano Deore M5120, long cage |
| Crank | FSA Bosch CK-220, 36T ring, 165mm 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 |
| Saddle | Bontrager Arvada, steel rails, 138mm width |
|---|---|
| *Seatpost |
Size:
XS , S , M TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length |
|
Size:
L , XL TranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length |
|
| Handlebar | Bontrager alloy, 31.8mm, 15mm rise, 720mm width |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| *Stem |
Size:
XS , S Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length |
|
Size:
M , L , XL Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length |
|
| Headset | FSA IS-2 |
| Brake rotor | Tektro, 6-bolt, 203mm |
| Brake Set | Tektro HD-M275 hydraulic disc |
| Fender | Trek Powerfly 29'' custom fender |
|---|
| Weight | M - 24.83 kg / 54.75 lbs |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |