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TrekPowerfly 4 (29")

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Questions and Answers

Aluminum
500
Bosch
Shimano Deore
29"
Diamond
Disc Brakes
Introducing the Trek Powerfly 4 (29") 2021, an electric mountain bike designed for riders who crave adventure whether they’re just starting out or looking to push their limits a bit further. This bike combines solid engineering with user-friendly features that make it an excellent choice for both beginners and experienced riders alike.

At the heart of the Powerfly 4 is a rugged and lightweight Alpha ...Read more

General

  • FrameAlpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armor, Boost148, 12mm thru axle

    • Brakes

  • BrakeTektro HD-M275 hydraulic disc
  • RotorsTektro, 6-bolt, 203mm

    • Wheels & Tires

  • TiresBontrager XR3 Comp, wire bead, 30tpi
  • WheelsBontrager Connection, double-wall, 32-hole, 20mm width, presta valve
  • HubFront: Formula DC-511, 6-bolt, Boost110, 15mm thru axle, Rear: Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle
  • Spokes14g stainless steel

    • Cockpit

  • StemBontrager alloy, 31.8mm, Blendr compatible, 7 degree
  • GripsBontrager XR Endurance Comp, lock-on
  • HeadsetFSA IS-2, 1-1/8'' top, 1.5'' bottom
  • HandlebarBontrager alloy, 31.8mm, 15mm rise
  • DisplayBosch Purion

    • Motor & Battery

  • MotorBosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 20mph or 32km/h max assist
  • Torque85 Nm
  • BatteryBosch PowerTube 500Wh
  • ChargerBosch compact 2A, 100-240V, smart system
  • Motor ManufacturerBosch
  • Battery ManufacturerBosch

    • Groupset

  • Chain / BeltKMC X10, 10 speed
  • PedalsVP-536 nylon platform
  • CassetteShimano Deore M4100, 11-46, 10 speed
  • ShiftersShimano Deore M4100, 10 speed
  • Rear DerailleurShimano Deore M5120, long cage
  • CranksetFSA Bosch CK-220, 36T ring, 165mm length

    • Saddle

  • Seat PostBontrager alloy, 31.6mm, 12mm offset

    • Suspension

  • ForkSR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 80mm travel
  • Front suspension120mm
  • Fork ManufacturerSR Suntour
    • Disclaimer

    Deviations between specified and installed components are possible depending on the delivery situation. Alternatively installed components correspond to the quality level of the specified components. Errors and omissions excepted.

    About Trek

    Trek is a brand with a rich history, born in 1976 in a Wisconsin barn with a mission to craft exceptional bicycles. Trek’s philosophy is all about innovation, sustainability, and creating bikes that connect people to their love of riding. Whether you’re into road cycling, mountain biking, or just cruising around town, Trek has a bike for you. Their lineup spans high-performance models for competitive riders to hybrids and e-bikes perfect for commuters or casual adventurers. Riders rave about Trek’s blend of durability, comfort, and cutting-edge tech, often saying their bikes feel like an extension of themselves. Whether you're a seasoned cyclist or a weekend warrior, Trek is built for anyone who wants to ride more and ride better. Their commitment to quality and community makes them a brand that’s more than just bikes - it’s a lifestyle. Why not join the Trek family and see where it takes you?

    More about Trek: