2020 Trek Powerfly 4 Black Electric MTB Beige

Electric Bike | Product Code: TB-316448

Out of Stock

High Capacity Battery

The 500wh battery is designed for long distance riding and is seamlessly integrated into the frame.

XR3 Tyres

The XR3 tyres are perfect for any type of riding with its low rolling resistance, good grip and good puncture resistance.

Hydraulic Disc Brakes

Hydraulic disc brakes gives you the best braking performance to hit those descents even harder.

Bosch Motor

Trek provides you with a Bosch motor that is fast and strong that allows you to reach speeds of up to 32km/h.


Powerfly 4 is our most affordable electric mountain bike. It's built with parts that hold up, like a dependable Shimano drivetrain, an SR Suntour fork and a powerful Bosch motor. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that's fully encased in the frame yet doesn't require tools for removal. This bike expands your boundaries and lets you travel to destinations that you never thought you'd reach on a mountain bike.

It's right for you if...

You're sold on the e-bike revolution and want the capability and versatility of a mountain bike at a price that doesn't resemble the car you're trying to use less. You want bigger, better trail adventures and know that an e-MTB with the latest user-friendly tech is the best way to get them.

The tech you get

A lightweight and durable Alpha Platinum Aluminium frame that fully encases a long-range 500Wh battery for sleek looks and protection on the trail, a Bosch Performance Line CX (250W, 75Nm) motor that assists up to 32 km/h, an ergonomic Bosch Purion controller, a Shimano drivetrain, a 120mm SR Suntour XCR fork with lockout, and hydraulic disc brakes. Plus, Smart Wheel Sizing means you'll get the fastest wheel that fits – 29˝ wheels on larger frames, 27.5˝ wheels on smaller frames.

The final word

Our most affordable electric mountain bike is equipped with performance parts, a high-end Bosch motor, powerful battery and intuitive controller for confidence and a fun boost on trails and roads.

Why you'll love it

  • 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 remove the battery without tools and lets you mount a water bottle cage
  • This bike expands boundaries: the top-notch Bosch system is equally suited to commuting, recreation and a ridiculously fun time on the trails
  • The Purion controller has Walk Assist and an intelligent eMTB mode that automatically delivers the right amount of power based on your terrain
  • It's equipped with an external charging port for easy charging on or off the bike
  • It rides like a trail bike because it is one: Powerfly is built according to Trek's trail heritage with mountain bike tech developed over decades of innovation

Please note: Bike accessories shown in images sold separately (e.g. Racks, Lights etc). Please refer to bike specifications for included components.

SPECIFICATIONS

frame Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armour, Boost148, 12mm thru axle
fork SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 120mm travel
front hub Bontrager alloy, 6-bolt, Boost110, 15mm thru-axle
rear hub Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle
rims Bontrager Connection, double-wall, 32-hole, 20mm width, presta valve
tyres Bontrager XR3 Comp, 29x2.30" (15.5, 27.5x2.35")
shifters Shimano Altus M2010, 9-speed
rear derailleur Shimano Acera M3000, long cage
crank FSA 310, 36T w/chain guard
cassette Shimano HG200, 11-36, 9-speed
chain KMC E9S, 9-speed
pedals VP-536 nylon platform
saddle Bontrager Arvada, steel rails
seatpost Bontrager alloy, 31.6mm, 12mm offset
handlebar Bontrager alloy, 31.8mm, 15mm rise
stem Bontrager alloy, 31.8mm, Blendr-compatible, 7-degree
grips Bontrager XR Endurance Comp, lock-on
headset FSA IS-2, 1-1/8" top, 1.5" bottom
brakeset Tektro HD-M275 hydraulic disc
battery Bosch PowerTube, vertical, 500wh
controller Bosch Purion
motor Bosch Performance Line CX, 250 Watt, 75 Nm, 32km/h max assist

*All specifications listed are subject to change without notice.

SPECIFICATIONS

Bike Category Trail
Battery Brand Bosch
Fork Brand Suntour
Frame Material Alloy
groupset brand Shimano
groupset model Altus
Motor Brand Bosch
Pedals Included Yes
Wheel Size 29"
FRAME Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armour, Boost148, 12mm thru axle
Fork SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 120mm travel
FRONT HUB Bontrager alloy, 6-bolt, Boost110, 15mm thru-axle
REAR HUB Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle
RIMS Bontrager Connection, double-wall, 32-hole, 20mm width, presta valve
TYRES Bontrager XR3 Comp, 29x2.30" (15.5, 27.5x2.35")
Shifters Shimano Altus M2010, 9-speed
Rear Derailleur Shimano Acera M3000, long cage
CRANK FSA 310, 36T w/chain guard
Cassette Shimano HG200, 11-36, 9-speed
Chain KMC E9S, 9-speed
PEDALS VP-536 nylon platform
Saddle Bontrager Arvada, steel rails
Seatpost Bontrager alloy, 31.6mm, 12mm offset
Handlebar Bontrager alloy, 31.8mm, 15mm rise
Stem Bontrager alloy, 31.8mm, Blendr-compatible, 7-degree
GRIPS Bontrager XR Endurance Comp, lock-on
Headset FSA IS-2, 1-1/8" top, 1.5" bottom
Brakeset Tektro HD-M275 hydraulic disc
Battery Bosch PowerTube, vertical, 500wh
CONTROLLER Bosch Purion
High Capacity Battery The 500wh battery is designed for long distance riding and is seamlessly integrated into the frame.
XR3 Tyres The XR3 tyres are perfect for any type of riding with its low rolling resistance, good grip and good puncture resistance.
Hydraulic Disc Brakes Hydraulic disc brakes gives you the best braking performance to hit those descents even harder.
Max Assisted Speed 32km/h
Bosch Motor Trek provides you with a Bosch motor that is fast and strong that allows you to reach speeds of up to 32km/h.
Motor Bosch Performance Line CX, 250 Watt, 75 Nm, 32km/h max assist

Bike Size

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