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You want a super versatile full suspension e-MTB to take out on the trail. You also want it to come equipped with commute-ready accessories so you can bring home the bacon and get a little shreddy on your way back from work.

The tech you get

A durable aluminum frame that fully encases a long-range 625Wh battery, a powerful Bosch Performance CX (250Wh, 75 Nm) motor that helps you sustain speeds of up to 20 mph or 32 km/h, and a SmartphoneHub controller that can be used with or without your phone. Plus, a RockShox 35 Gold RL 120mm suspension fork, 100mm of rear travel with a RockShox SIDLuxe Select+ shock, powerful 4-piston hydraulic brakes, Bontrager Line Comp 30 wheels, a 12-speed Shimano XT drivetrain, and a dropper post for getting low on descents.

The final word

Our best Powerfly FS rips rough trails, rail trails, and rugged commutes thanks to a plush suspension setup, powerful drive system, and loads of utility features.

The Walkthrough

favorite_borderWhy you'll love it

  1. It comes equipped with fenders, a rear trunk rack, and lights that are powered by the battery so you're ready to ride right from the start
  2. Download the COBI.Bike app and your phone becomes an on-board computer. Attach it to SmartphoneHub to charge, make or take calls, listen to music, get turn-by-turn directions, and more
  3. Wide Line Comp 30 wheels provide more tire support so you get better traction and control
  4. 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
  5. The size S frame features 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

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Features

Bosch Performance Line CX motor

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.

Custom eMTB Lite mode

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.

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.

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Adventure-ready accessories

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.

What is the range?

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.

Calculate your range

Specifications

*spec applies to all sizes unless otherwise noted

Frameset
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
Shock RockShox SID Lux Select+, 190x45mm
Wheels
Front wheel Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
Rear wheel Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle
Rear skewer Bontrager Switch thru axle
*Tire Size: XS , S
Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 27.5x2.40''
Size: M , L , XL
Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 29x2.40''
Drivetrain
Shifter Shimano XT M8100, 12 speed
Rear derailleur Shimano XT M8100, long cage, 51T max cog
Crank arm E*thirteen E*spec Plus, 34T, 165mm length
Cassette Shimano XT M8100, 10-51, 12 speed
Chain Shimano XT M8100, 12 speed
Pedal VP-536 nylon platform
Components
Saddle Bontrager Commuter Comp
*Seatpost Size: XS , S , M
Bontrager Line Dropper, 100mm travel, internal routing, 31.6mm, 345mm length
Size: L , XL
Bontrager Line Dropper, 150mm travel, internal routing, 31.6mm, 440mm length
Handlebar Bontrager alloy, 31.8mm, 15mm rise, 750mm width
Grips Bontrager XR Endurance Comp, lock-on
*Stem Size: XS , S
Bontrager Elite, 31.8mm, Blendr light mount, 7 degree rise, 60mm length
Size: M , L , XL
Bontrager Elite, 31.8mm, Blendr light mount, 7 degree rise, 70mm length
Brake Shimano XT M8120 4-piston hydraulic disc
Accessories
Battery Bosch PowerTube 625
Charger Bosch standard 4A (100-240V) charger
Controller Bosch SmartphoneHub
Motor Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 20mph or 32km/h max assist
*Light Size: XS , S , M , L , XL
Supernova E3 Mini-2 rear light, LED
Size: XS , S , M , L , XL
Supernova Mini 2, 5-21V LED
Kickstand Pletscher Comp Flex 18
Weight
Weight M - 27.22 kg / 60.00 lbs (with tubes)
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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, colors, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.

 

Rider Height

Inseam

All measurements provided in cm unless otherwise noted.

Frame size number Frame size letter A — Seat tube B — Seat tube angle Effective seat tube angle C — Head tube length D — Head angle E — Effective top tube F — Bottom bracket height G — Bottom bracket drop H — Chainstay length I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack
14.5 XS 36.8 68.3° 76.0° 14.0 66.5° 55.4 33.2 2.4 46.8 4.4 10.7 117.0 69.1 40.5 59.9
15.5 S 39.5 68.3° 76.0° 14.0 66.5° 56.4 33.2 2.4 46.8 4.4 10.7 118.0 69.1 41.5 59.9
17.5 M 42.0 67.5° 76.0° 13.0 66.5° 58.9 33.5 3.9 47.0 4.4 11.4 120.6 71.2 43.0 63.7
19.5 L 45.0 67.5° 76.0° 14.0 66.5° 62.1 33.5 3.9 47.0 4.4 11.4 124.0 71.6 46.0 64.6
21.5 XL 50.0 67.5° 76.0° 14.0 66.5° 64.6 33.5 3.9 47.0 4.4 11.4 126.5 71.3 48.5 64.6

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