Trek Powerfly+ 8 electric mountain bike in Red, Bosch motor
Trek Powerfly+ 8 electric mountain bike in Silver, Bosch motor

Trek Powerfly+ 8 Gen 5 2026 E-MTB

5329785

Regular price£4,500.00
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  • Built & checked by our Trek-trained workshop
  • Ready-to-ride delivery or free in-store collection
  • UK warranty support from a real local bike shop
  • Expert advice before & after purchase — no call centres

Size
Colour

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Not sure what Motor suits your E-Bike needs? Click Here to see our in-depth, yet easy to understand guide to help you figure out which motor is the best for you!

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Approved Used Promise

Known history · Fully checked · 3-month / 1,000-mile warranty

Why Approved Used beats private sales →

The Trek Powerfly+ 8 Gen 5 sits at the top of the Powerfly+ hardtail range, offering premium components for riders who want the best performance from a hardtail e-MTB.

With higher-end suspension and drivetrain parts, it stays composed at speed and delivers precise control on technical climbs and descents.


IT’S RIGHT FOR YOU IF…

You’re an experienced rider who values precision, performance and refinement and prefers the efficiency of a hardtail over full suspension.

This model is ideal for confident riders who want premium trail performance without extra complexity.


THE TECH YOU GET…

A premium Alpha Platinum Aluminium hardtail frame combined with the Bosch Performance Line CX motor delivers powerful, responsive assistance.

High-end suspension, drivetrain components and strong hydraulic disc brakes ensure confident performance in demanding conditions.


THE FINAL WORD…

The Powerfly+ 8 Gen 5 is the most refined hardtail in the lineup. If you’re deciding where it fits, our Powerfly Buyer Guide shows how it compares across the range.



Specifications

*Frame Size: M , L , S , XL
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 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"
Wheels
Specifications
*Front Wheel Size: SBontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"
Size: M , L , XLBontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29"
*Rear Wheel Size: S
Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 27.5"
*Rear Skewer Size: M , L , S , XLBontrager Switch thru axle, removable lever
*Tire Size: S
Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 27.5x2.60"
Size: M , L , XLBontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.60"
*Tire Part Size: M , L , S , XL
Bontrager TLR sealant, 180 ml/6 oz
*Rim Strip Size: M , L , S , XLBontrager TLR
Max tyre size See service manual
E-system
Specifications
*Battery Size: M , L , S , XL
Bosch PowerTube 800 Wh, smart system
*Charger Size: M , L , S , XL
Bosch standard 4A, 230V, smart system
*Computer Size: M , L , S , XL
Bosch Kiox 300, smart system
Size: M , L , S , XL
Bosch LED remote, smart system
*Motor Size: M , L , S , XL
Bosch Performance Line CX, 20 mph / 32 km/h max assist (25 km/h max assist in EU and APAC)
Drivetrain
Specifications
*Shifter Size: M , L , S , XL
Shimano SLX M7100, 12-speed
*Rear Derailleur Size: M , L , S , XL
Shimano XT M8100, long cage
*Crank Arm Size: M , L , S , XL
E*thirteen E*spec Plus, 160 mm length
*Cassette Size: M , L , S , XL
Shimano SLX M7100, 10-51T, 12-speed
*Chain Size: M , L , S , XL
Shimano SLX M7100, 12-speed
*Pedal Size: M , L , S , XLVP-536 nylon platform
Max. chainring size 1x: 42T
Components
Specifications
*Saddle Size: M , L , S , XLBontrager 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
*Handlebar Size: M , L , S , XLBontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width
*Grips Size: M , L , S , XLBontrager XR Endurance Elite
*Stem Size: M , L , S , XLBontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
*Headset Size: M , L , S , XL
FSA IS-2, 1-1/8" top, 1.5" bottom
*Brake Size: M , L , S , XL
Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper
*Brake Rotor Size: M , L , S , XL
Shimano RT66, 6-bolt, 203 mm
Rotor size Max brake rotor sizes – Frame: 203 mm, min 180 mm, fork: see fork manufacturer
Accessories
Specifications
*Tool Size: M , L , S , XLBontrager Switch Lever, w/tool
Weight
Specifications
Weight M – 23.68 kg/52.21 lb (with TLR sealant, no tubes)
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.

Personalised Bike Consultation

Not sure which model is perfect for you? Our expert team at All Ride Now in Midhurst, West Sussex is here to help you choose with confidence.

  • Will you be riding mainly on or off-road?
  • Do you prefer an upright or sportier riding position?
  • Are you looking for longer range, lighter weight, or a more comfortable feel?

Through a friendly consultation – in-store, by phone, live chat or email – we’ll help you narrow down your options and find the bike that best fits your needs.


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