Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals
Bike Comparison
    MSRP
    $3,849
    Where to Buy
    $1

    At

    Category
    Trail, E-Bike
    Weight
    51.5 lbs
    4.5
    Frame
    Aluminum
    Suntour XCM
    Wheels
    Aluminum
    Wheel Size
    27.5″ / 29″
    Tektro Hydraulic Disc
    Bosch 250W 85Nm mid-drive
    Bosch 500Wh
    Deore
    Drivetrain
    1 × 10
    Suspension
    Hardtail
    Front Travel
    120mm
    Brand Site

    trekbikes.com

    Summary
    The Trek Powerfly 4 is a 27.5″ / 29″ aluminum frame hardtail trail e-bike with upper mid-range components.

    Ask 99 Spokes

    Similar Bikes
    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Powerfly 4
    Other Trail bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    28 mph

    Powerfly 4

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    Size: XS, S, Alpha Platinum Aluminum, curved top tube, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armor, Boost148, 12mm thru axle; Size: M, L, XL, Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armor, Boost148, 12mm thru axle

    BB StandardBosch, Press Fit

    Tire Clearance2.6"

    ColorsLithium Grey / Trek Black; Matte Solid Charcoal / Matte Miami; Radioactive Red / Trek Black

    Fork

    Size: XS, SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 80mm travel; Size: S, M, L, XL, SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 120mm travel

    Travel120mm

    Spring TypeCoil

    Bottom Bracket

    Bosch, press-fit

    Headset

    FSA IS-2, 1-1/8'' top, 1.5'' bottom

    Stem

    Size: XS, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length; Size: S, M, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: L, XL, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length

    Handlebar

    Size: XS, S, Bontrager alloy, 31.8mm, 15mm rise, 720mm width; Size: M, L, XL, Bontrager alloy, 31.8mm, 15mm rise, 750mm width

    Saddle

    Bontrager Commuter Comp

    Seatpost

    Size: XS, S, Bontrager alloy, 31.6mm, 12mm offset, 330mm length; Size: M, Bontrager alloy, 31.6mm, 12mm offset, 360mm length; Size: L, XL, Bontrager alloy, 31.6mm, 12mm offset, 400mm length

    TypeRigid

    Pedals

    VP-536 nylon platform

    Grips

    Bontrager XR Endurance Comp, lock-on

    Groupset
    Rear Derailleur

    Shimano Deore M5120, long cage

    Crank

    FSA Bosch CK-220, 36T ring, 165mm length

    Shifters

    Shimano Deore M4100, 10 speed

    Cassette

    Shimano Deore M4100, 11-46, 10 speed

    Chain

    KMC X10, 10 speed

    Brakes

    Tektro HD-M275 hydraulic disc

    TypeTektro Hydraulic Disc

    Wheels
    Rims

    Bontrager Connection, double-wall, 32-hole, 20mm width, Presta valve

    Spokes

    14g stainless steel

    Front Hub

    Formula DC-511, 6-bolt, Boost110, 15mm thru axle

    Rear Hub

    Bontrager Approved DC-3248, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle

    Tires

    Size: XS, S, Bontrager XR3 Comp, wire bead, 30tpi, 27.5x2.35''; Size: M, L, XL, Bontrager XR3 Comp, wire bead, 30tpi, 29x2.30''

    Disc Rotors

    Tektro, 6-bolt, 203mm

    Electric Components
    Motor

    Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 20mph or 32km/h max assist

    Battery

    Bosch PowerTube 500Wh

    Remote

    Bosch Purion

    Display

    Bosch Purion

    Charger

    Bosch compact 2A, 100-240V, smart system

    Riders Also Compared