Full-power eMTBHardtail / Adventure

TrekPowerfly+ 8 Gen 5

£4,000RRP UK, VAT incl.

Motor: Bosch Performance Line CX85–120 Nm (Trek figure)
Travel F / R: 120 / – mm
Wheels: 29" (S: 27.5")
Frame: Alloy

Overview

The Trek Powerfly+ 8 Gen 5 (£4,000) is the top build of the Powerfly+: alloy frame, Bosch Performance Line CX motor with Bosch PowerTube, Fox AWL Rail fork, SRAM Eagle 70 and Shimano MT620 hydraulic disc brakes.

The Powerfly+ is Trek's full-power hardtail e-MTB: an Alpha Platinum aluminium frame, a 120 mm fork on most sizes, 29-inch wheels (27.5-inch on size S) and the Bosch Performance Line CX motor with a removable 600 or 800 Wh battery.

Full-power hardtail
Bosch Performance Line CX
600 or 800 Wh removable battery
29" wheels (S: 27.5")

Gallery

Photos: Trek

Full specifications

Frame & suspension

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
Fork: 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"

E-system

Motor: Bosch Performance Line CX (Europe and APAC: 25 km/h, US and ROW: 20 mph / 32 km/h)

Drivetrain

Chain: SRAM Eagle 70, T-Type, 12-speed
Rear derailleur: SRAM Eagle 70, T-Type
Cassette: SRAM Eagle XS-1270, T-Type,10-52, 12-speed
Shifter: SRAM Eagle 70, 12-speed

Brakes

Brake rotor: Shimano RT64, CentreLock, 203 mm
Brake: Shimano MT620 hydraulic disc

Wheels & tyres

Skewer rear: Bontrager Switch thru axle, removable lever
Tyre: Bontrager Gunnison Pro XR, Tubeless-Ready, wire bead, 60 tpi, 27.5x2.40"

Cockpit

Headset: 1-1/8'' threadless, sealed cartridge bearings
Stem: Bontrager Rhythm Comp, 31.8 mm, 0-degree, 50 mm length
Saddle: Bontrager Commuter Comp
Handlebar: Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width
Grips: Bontrager XR Endurance Elite
Seatpost: Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length

Other

Head set: FSA IS-2, 1-1/8" top, 1.5" bottom
Spokes: 14 g stainless steel, black
Hub front: Shimano TC500 alloy, CentreLock, 110x15 mm thru axle
Crank: FSA alloy, 160 mm length
Pedal: VP-536 nylon platform
Seat collar: Bolt-on, 36.4 mm
Computer: Bosch Kiox 300, smart system
Computer: Bosch LED remote, smart system
Tool: Bontrager Switch thru axle, removable lever
Hub rear: Shimano TC500 alloy, CentreLock, 148x12 mm thru axle
Rim: Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve
Rim: Bontrager Kovee, double-wall, Tubeless-Ready, 32-hole, 23 mm width, Presta valve

Manufacturer specification — source. Specs and prices can change; check with the brand or your dealer.

Powerfly+ geometry

Size	S	M	L	XL
Wheel size	27.5"	29"	29"	29"
Seat tube length	370 mm	400 mm	420 mm	450 mm
Seat tube angle	73.0°	73.3°	73.4°	74.6°
Effective seat tube angle	75.0°	75.0°	75.0°	76.0°
Head tube length	133 mm	108 mm	123 mm	143 mm
Head angle	65.5°	66.5°	66.5°	66.5°
Effective top tube	571 mm	612 mm	640 mm	658 mm
BB height	315 mm	315 mm	315 mm	315 mm
BB drop	45 mm	65 mm	65 mm	65 mm
Chainstay length	442 mm	461 mm	461 mm	461 mm
Fork offset	44 mm	44 mm	44 mm	44 mm
Trail	116 mm	117 mm	117 mm	117 mm
Wheelbase	1151 mm	1195 mm	1226 mm	1259 mm
Standover	697 mm	747 mm	746 mm	746 mm
Reach	410 mm	440 mm	465 mm	490 mm
Stack	599 mm	641 mm	655 mm	673 mm

Source: Trek.

Powerfly+: builds compared

Powerfly+ range →

	Powerfly+ 4 Gen 5	Powerfly+ 4 800 Wh Gen 5	Powerfly+ 6 Gen 5	Powerfly+ 8 Gen 5
Price	£2,800	£2,950	£3,400	£4,000
Frame	Alloy	Alloy	Alloy	Alloy
Fork	SR Suntour XCR 34, air spring	SR Suntour XCM 34, air spring	RockShox Recon Silver RL, Solo Air	Fox AWL Rail, Rail 2.0 damper
Derailleur	Shimano CUES U6000 GS	Shimano CUES U6000 GS	Shimano Deore M8200	SRAM Eagle 70
Brakes	—	—	Shimano hydraulic disc	Shimano MT620 hydraulic disc

Powerfly+ 8 Gen 5: FAQ

How much does the Trek Powerfly+ 8 Gen 5 cost?

£4,000 (RRP UK, VAT incl.). The Powerfly+ range runs from £2,800 (Powerfly+ 4 Gen 5) to £4,000 (Powerfly+ 8 Gen 5). Prices vary by country and dealer.

What motor and battery does the Trek Powerfly+ 8 Gen 5 have?

Bosch Performance Line CX (85–120 Nm (Trek figure)).

How much suspension travel does the Trek Powerfly+ 8 Gen 5 have?

120 mm at the fork, on 29" (S: 27.5") wheels.

What sizes does the Trek Powerfly+ 8 Gen 5 come in?

S, M, L, XL. Check the geometry table to compare reach and stack between sizes.

What is the difference between the Powerfly+ 8 Gen 5 and the Powerfly+ 6 Gen 5?

They share the Powerfly+ frame platform and motor; the differences are in the parts — fork: Fox AWL Rail vs RockShox Recon Silver RL; derailleur: SRAM Eagle 70 vs Shimano Deore M8200; price: £4,000 vs £3,400.