Bike Comparison
    MSRP
    ($5,382)
    Where to Buy
    $1

    At

    Category
    Crosscountry, E-Bike
    Weight
    54.7 lbs
    4.8
    Aluminum
    Fork
    Suntour XCR Air
    Shock
    Suntour
    Wheels
    Aluminum
    27.5″ / 29″
    Brakes
    Hydraulic Disc
    Bosch 250W 85Nm mid-drive
    Bosch 500Wh
    Groupset
    Deore, FSA
    Drivetrain
    1 × 10
    Suspension
    Full
    Front Travel
    120mm
    Rear Travel
    100mm
    Brand Site

    trekbikes.com

    Summary
    The Trek Powerfly FS 4 500 is a 27.5″ / 29″ aluminum frame full suspension crosscountry e-bike with upper mid-range components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Powerfly FS 4 500
    Other Crosscountry 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 FS 4 500

    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

    Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armour, magnesium rocker link, rack and mudguard mount, ABP, Boost148, 100 mm travel

    BB StandardBosch, Press Fit

    Tire Clearance2.4"

    ColorsMatte Gunmetal / Matte Black; Purple Flip / Trek Black; Dark Aquatic/ Trek Black; Crimson / Lithium Grey

    Fork

    Size: XS, S, SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 100 mm travel; Size: M, L, XL, SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 120 mm travel

    Shock

    SR Suntour Edge R, 190 mm x 45 mm

    Bottom Bracket

    Bosch, press-fit

    Stem

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

    Handlebar

    Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width

    Saddle

    Bontrager Arvada, steel rails, 138 mm width

    Seatpost

    Size: XS, S, M, TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length; Size: L, XL, TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length

    Pedals

    VP-536 nylon platform

    Grips

    Bontrager XR Trail Comp, nylon lock-on

    Groupset
    Rear Derailleur

    Shimano Deore M5120, long cage

    Crank

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

    Wheels
    Rims

    Alex MD35, tubeless compatible, 32-hole, 35 mm width, Presta valve

    Front Hub

    Bontrager sealed bearing, alloy axle, 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

    Tires

    Bontrager XR3 Comp, wire bead, 30 tpi, 29x2.30"

    Disc Rotors

    Tektro, 6-bolt, 203 mm

    Electric Components
    Motor

    Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 25 km/h (15.5 mph) max assist, 32 km/h for New Zealand

    Battery

    Bosch PowerTube, vertical, 500 wh

    Charger

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

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