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2025 Trek

Powerfly+ 8 Gen 5

A 27.5″ / 29″ aluminum frame hardtail crosscountry e-bike with upper mid-range components.
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Manufacturer Price

€4,499($5,211)
Weight52.2 lbs  
FrameAluminum
SuspensionHardtail, 100mm
ForkFox AWL
Wheels27.5″ / 29″ Aluminum
Drivetrain1 × 12
GroupsetXT, SLX
MotorBosch 600W 85Nm mid-drive
BatteryBosch 800Wh
BrakesShimano Deore Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Powerfly+ 8 Gen 5
Other Crosscountry bikes
Spec Level

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

Compare the full Powerfly+ model range

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Sizing
SM

5'1" – 5'6"

MD

5'4" – 5'11"

LG

5'8" – 6'3"

XL

6'1" – 6'5"

Rider Fit Notes
  • 5'8", size M, Just right
Geometry
Specs
Build
Frame

Alpha Platinum Aluminium, Removable Integrated Battery (RIB 2.0), tapered head tube, guided internal routing, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle

ColorsSatin Lunar Silver / Bronze Age; Crimson / Dark Carmine

Fork

Size: S, Fox AWL Rail, Rail 2.0 damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 180 mm direct mount, 100 mm travel, 27.5"; Size: M, L, XL, Fox AWL Rail, Rail 2.0 damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 180 mm direct mount, 120 mm travel, 29"

Travel100mm

Spring TypeAir

Stem

Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length

Handlebar

Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width

Saddle

Bontrager Commuter Comp

Seatpost

Size: S, Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length; Size: M, L, XL, Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length

TypeDropper

Pedals

VP-536 nylon platform

Grips

Bontrager XR Endurance Elite

Groupset
Rear Derailleur

Shimano XT M8100, long cage

Crank

E*thirteen E*spec Plus, 160 mm length

Shifters

Shimano SLX M7100, 12-speed

Cassette

Shimano SLX M7100, 10-51T, 12-speed

Chain

Shimano SLX M7100, 12-speed

Brakes

Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper

TypeShimano Deore Hydraulic Disc

Wheels
Rims

Front: Size: S, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"; Size: M, L, XL, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29", Rear: Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 27.5"

Tires

Size: S, Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 27.5x2.60"; Size: M, L, XL, Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.60"

Disc Rotors

Shimano RT66, 6-bolt, 203 mm

Electric Components
Motor

Bosch Performance Line CX, 20 mph / 32 km/h max assist (25 km/h max assist in EU and APAC)

Battery

Bosch PowerTube 800 Wh, smart system

Display

Size: S, M, L, XL, Bosch Kiox 300, smart system; Size: S, M, L, XL, Bosch LED remote, smart system

Charger

Bosch standard 4A, 230V, smart system

Rider Notes
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First added September 30

Last updated June 27

Not listed for 351 days