Powerfly 4

Powerfly 4 is our most affordable electric mountain bike. It's built with parts that hold up, like a smooth-shifting Shimano drivetrain, 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 you never thought you'd reach on a mountain bike.

Specifications

Frameset
  • Frame
    Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armor, Boost148, 12mm thru axle
  • Fork
    SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 80mm travel
Drivetrain
  • Rear Derailleur
    Shimano Deore M5120, long cage
  • Shifter
    Shimano Deore M4100, 10 speed
  • Crank
    Shimano Deore M4100, 11-46, 10 speed
  • Cassette
    KMC X10, 10 speed
  • Chain
    KMC X10, 10 speed
Components
  • Brakes
    (F) Tektro HD-M275 hydraulic disc, (R) Tektro HD-M275 hydraulic disc
  • Rotors
    Tektro, 6-bolt, 203mm
  • Seatpost
    Bontrager alloy, 31.6mm, 12mm offset, 330mm length
  • Saddle
    Bontrager Commuter Comp
  • Handlebar
    Bontrager alloy, 31.8mm, 15mm rise, 720mm width
  • Stem
    Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length
  • Grips
    Bontrager XR Endurance Comp, lock-on
  • Headset
    FSA IS-2, 1-1/8'' top, 1.5'' bottom
Wheels
  • Wheel Size
    29"
  • Tires
    Bontrager XR3 Comp, wire bead, 30tpi, 27.5x2.35''
E-bike System
  • Motor
    Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 20mph or 32km/h max assist
  • Battery
    Bosch PowerTube 500Wh
  • Battery Charger
    Bosch compact 2A, 100-240V, smart system
More Info
Mountain bike pricing and specifications are ever changing. This info was last updated February 24, 2022.
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