Trek Powerfly+ 4 800wh Gen 5 2026
Explore your most epic adventures with Powerfly+ hardtail and full-suspension e-MTBs fully dialled in for adventure. With a powerful, yet quiet, 85 nm Bosch Performance Line CX motor, Powerfly+ is built to make every climb feel like a breeze, and it’s ready to go the distance with a massive 800 Wh battery and lots of mounts for gear. Whether you’re venturing to high alpine yurts or heading out for everyday exploration, these full-assist hardtail and full-suspension electric mountain bikes deliver confident handling for the trail, adventure-ready accessory mounts and all the power you need to cruise to new heights or take the fun way
Removable Integrated Battery (RIB) refined
Trek’s Removable Integrated Battery system ensures that the unit remains discreetly housed within the downtube, yet simple to remove for charging or transport. On the trail, the Powerfly+ 4 demonstrates the inherent strengths of a hardtail eMTB: efficient climbing, responsive handling, and reliable traction across a variety of terrain.
ENDLESS POWER, CONTROLLED RESPONSES NEW BOSCH PERFORMANCE CX SMART SYSTEM
At the core of its performance lies the Bosch Performance Line CX motor. Delivering consistent and immediate support, its 85Nm of torque provides the power to tackle steep gradients and technical climbs while maintaining a natural, intuitive pedalling feel. Integration with Bosch’s Smart System allows for app-based tuning, ride tracking, and seamless updates, ensuring the motor and software remain at peak capability well into the future.
Massive range
The new PowerTube battery from Bosch packs 800 watt-hours into the Powerfly+ for huge rides. Or, if you want to save a little weight, the Powerfly+ is also compatible with the new, smaller 600 Wh battery (stock on all Powerfly+ 4 full-suspension and hardtail models).
Geometry
FAQs: Trek Powerfly+ 4 800wh Gen 5
Basics
What size bike do I need?
What is Frame Protection and is it worth fitting it to the Powerfly?
What is tubeless setup and can the Powerfly be set up tubeless?
What equipment & info will the bike arrive with?
Is it possible to see the Powerfly in your showroom & is it possible to have a test ride or demo it?
What type of bike is the Powerfly and what is it designed for?
What type of terrain is the Powerfly ideally suited towards?
Can the Trek Powerfly+ 4 800wh Gen 5 get wet and muddy?
How should you clean & maintain the Trek Powerfly+ 4 800wh Gen 5?
Can you tell me about the Trek brand?
I'm new to riding, what essential bits of kit do I need to get going?
Where can I ride the Trek Powerfly+ 4 800wh Gen 5?
Technical
Where can I find all of the major components that come on the bike?
Can you fit a water bottle on the Trek Powerfly+ 4 800wh Gen 5?
What warranty comes on the Trek Powerfly+ 4 800wh Gen 5?
Does the Trek Powerfly+ 4 800wh Gen 5 come with pedals?
Can I get hold of spare / replacement parts easily for the Trek Powerfly+ 4 800wh Gen 5?
Are electric bikes legal? How fast can the Trek Powerfly+ 4 800wh Gen 5 go?
Do I need a license to ride the Trek Powerfly+ 4 800wh Gen 5 in the UK?
Can I add upgrades to the bike?
Electric / Battery
How should I store the bike?
What is the battery lifespan on a Trek Powerfly+ 4 800wh Gen 5?
Are Lithium-Ion batteries safe?
Is the internal battery removable on the Trek Powerfly+ 4 800wh Gen 5?
What is the expected range of the battery on the Trek Powerfly+ 4 800wh Gen 5?
What is a range extender and can you add one to the Trek Powerfly+ 4 800wh Gen 5?
Does the bike arrive fully charged and ready to go?
How to charge the battery on the Trek Powerfly+ 4 800wh Gen 5?
How long does it take to charge the battery?
How is the motor protected ?
Purchasing
Why choose MTB Monster?
Do you offer 0% finance for the Trek Powerfly+ 4 800wh Gen 5?
Do you accept Cycle To Work vouchers? How does it work?
I'm still sorting my payment method, can I reserve a bike?
The bike is not yet in stock, can I pre-order one?
How will the bike be delivered & what are the setup requirements?
What are the delivery options?
Can I collect the bike in the store?
I still have more questions, can I speak to someone?
- 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
- FRAME MATERIAL:
- Aluminium
- FORK BRAND:
- SR Suntour
- FORK:
- Size S: SR Suntour XCR 34, air spring, 2CR damper, hydraulic lockout, tapered steerer, 44 mm offset, Boost 110, 15 mm bolt-on thru axle, 100 mm travel / Size M, L, XL: SR Suntour XCR 34, air spring, 2CR damper, hydraulic lockout, tapered steerer, 44
- FORK TRAVEL:
- 120 mm
- MOTOR:
- Bosch
- MOTOR CONTROLLER:
- Bosch Smart System Purion 200
- DISPLAY:
- Not Included
- DRIVE UNIT:
- Bosch Performance Line CX Gen 5 (85 Nm - 100 Nm ) Smart System
- BATTERY:
- Bosch PowerTube 800 Wh Battery
- RANGE EXTENDER:
- Available for Purchase
- CHARGER:
- Bosch standard 2A, 230V, smart system
- WHEEL SIZE:
- 29
- WHEELS:
- Rims: Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve / Front Hub: Shimano TC500 alloy, CentreLock, 110x15 mm thru axle / Rear Hub: Shimano TC500 alloy, CentreLock, 148x12 mm thru axle
- TYRES:
- 26x2.35" Bontrager XT3 Elite (XXS), 27.5x2.35" Maxxis Ardent Race/IKON (XS–S), and 29x2.35" Maxxis Ardent Race/IKON (M–XXL) — all tubeless-ready with EXO/Inner Strength casing, 60 tpi.
- DROPPER SEATPOST:
- Yes
- SEATPOST:
- Size: S Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length Size: M Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length Size: L , XL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
- SADDLE:
- Bontrager Commuter Comp
- CRANKSET:
- FSA Bosch CK-220, 36T ring, 165 mm length
- STEM:
- Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
- GRIPS:
- Bontrager XR Endurance Comp, lock-on
- SHIFTERS:
- Shimano U6000, 10-speed
- BRAKE BRAND:
- Tektro
- HYDRAULIC BRAKES:
- Yes
- BRAKES:
- Tektro HD-M275 hydraulic disc
- REAR DERAILLEUR:
- Shimano CUES U6000 GS
- CHAIN:
- Shimano LG500, 9/10/11-speed
- NUMBER OF GEARS:
- 10
- PEDALS:
- VP-536 nylon platform
- FRONT MUDGUARD:
- MTB Monster Mudguard
- EXTRAS:
- Bontrager Switch Lever, w/tool
- TYPE OF BIKE:
- Trail
- DESIGNED FOR:
- Exploring new trails or going on longer rides where you encounter varied terrain. More relaxed geometry than a Cross Country bike and an excellent balance of climbing ability and downhill capability making it a great all-rounder
- IDEAL TERRAIN:
- Singletrack trails with some technical descents. Up to and including red routes at trail centres.
- PLEASE NOTE:
- Trek 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 p