The Powerfly 4 625 takes Trek's most affordable electric mountain bike and gives it a boost with a longer-range 625 watt-hour battery. Of course, you still get their user-friendly Removable Integrated Battery (RIB) system that's super easy to remove and reinstall, plus all the other parts that make Powerfly 4 your ideal entry into the joys of riding a pedal-assist bike on or off-road.

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 off-road adventures, and know that an e-MTB with the latest user-friendly tech is the best way to get them.

A tough yet refined aluminium frame that fully encases a long-range 625 Wh battery for sleek looks, a Bosch Performance Line CX (250 W, 85 Nm) motor that assists up to 20 mph (25 km/h in Europe), a Bosch Intuvia smart system controller, a 1x10 Shimano drivetrain and a suspension fork with lockout. Plus, Smart Wheel Sizing means riders of every size get a great fit – 29˝ wheels on larger frames, 27.5˝ wheels on smaller frames.

This model gives you a longer-range battery than the standard Powerfly 4, so you’ll never be short on fun.

Please note: the XS and Small sizes have a curved top tube to help with standover height.

Key Features & Benefits:

  • Bosch Performance CX motor:With smart system, perfect for tackling the climbs.
  • Intelligent e-MTB mode:Automatically delivers the right amount of power based on your terrain.
  • Shimano Deore 1x10 Drivetrain:Simplicity combined with a wide gear ratio.

Full Specifications:

  • Frame:AlphaPlatinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle (XS-S have curved top tube)
  • Fork:SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm thru axle, 120 mm travel (XS 80mm travel)
  • Motor:Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm, 15 mph max assist
  • Battery:Bosch PowerTube 625, smart system
  • Controller:Bosch LED remote, smart system, Bosch Intuvia 100, smart system
  • Charger:Bosch standard 2A Charger, 230Vm smart system
  • Number of Gears:10
  • Gear Shifters:Shimano Deore 4100, 10 speed
  • Chainset:FSA Bosch CK-220, 36T ring, 165 mm length
  • Chainrings:36T
  • Rear Cassette:Shimano Deore M4100, 11-46, 10-speed
  • Chain:KMC X10, 10-speed
  • Front Derailleur:N/A
  • Rear Derailleur:Shimano Deore M5120, long cage
  • Pedals:VP-536 nylon platform
  • Rims:Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve
  • Front Hub:Formula DC-511, 6-bolt, Boost110, 15 mm thru axle
  • Rear Hub:Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
  • Front Tyre:Bontrager XR3 Comp, 29x2.30˝ (XS - SM: 27.5x2.35˝)
  • Rear Tyre:Bontrager XR3 Comp, 29x2.30˝ (XS - SM: 27.5x2.35˝)
  • Brakes:Tektro HD-M275 hydraulic disc, Tektro, 6-bolt, 203 mm
  • Handlebars:Bontrager alloy, 31.8mm, 15mm rise, 720-750mm width
  • Grips:Bontrager XR Endurance Comp, lock-on
  • Headset:FSA IS-2, 1-1/8" top, 1.5" bottom
  • Stem:Bontrager comp, 31.8mm, Blendr compatible, 7 degree, 50-70mm length
  • Saddle:Bontrager Commuter Comp, 165mm width
  • Seatpost:Bontrager alloy, 31.6mm, 12mm offset, 330-400mm length
  • Accessories:Bosch standard 2A Charger, 230V, smart system
  • Weight:M - 22.91 kg / 50.5 lbs (with tubes)
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Trek Powerfly 4 625w Gen 4 Electric Mountain Bike 2023
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    How it works: Pay in 12 Instalments
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