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Powerfly FS+ 4 800
Powerfly FS+ 4 800
Trek

Powerfly FS+ 4 800Wh

£4,150.00
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

RETURNS

Our returns policy lasts 30 days from date of delivery. We are unfortunatly unable to offer a refund or exchange once this time frame has been exceeded.

To be eligible for a return, your item must be unused, unworn, undamaged and in the same condition that you received it. It must also be in the original packaging with all tags and labels attached so that the item may be re-sold.

For ALL returns, whether a general, unwanted item return or in the case of a faulty or damaged item. please contact customer services in the first instance either by email
shop@kenellerkercycles.co.ukor via telephone on 01482 446341.Instuctions for return and will be given at this time. Please do not return any item without authorisation.

Please do not send your purchase back to the manufacturer. In the case of faulty goods or damage, we have to receive authorisation from the manufacturers prior to return.
Several types of goods are exempt from being returned. Perishable goods such as food, supplements, treats, creams and lotions cannot be returned once opened.

Additional non-returnable items:
Gift cards
Downloadable software products
Some health and personal care items

There are certain situations where only partial refunds are granted: (if applicable)

Book with obvious signs of use
Any item not in its original condition, is damaged or missing parts for reasons not due to our error.
Any item that is returned more than 30 days after delivery.

Refunds (if applicable)

General returns are at the expense of the purchaser: i.e you are responsible for the cost of returning the item and the goods remain your property until they are recieved back with us ( this is logged with a time / date at our premesis when delivered). We STRONGLY reccomend that items are returned using a fully tracked and insured service, as the goods, if lost in transit by the courier, remain YOUR responsibility. We accept no liability for any returns lost or damaged by a courier whilst in transit.
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If the return is approved, your refund will be processed within 1 working day via the original method of payment.
Please allow up to 7 Working days for the credit to appear on your account.

Late or missing refunds (if applicable)

If you haven’t received a refund after the stated mimimum period for processing with your payment provider or bank, please, in the first instance, contact your credit card company or bank. There is often some processing time before a refund is posted.

If you’ve done all of this and you still have not received your refund after the above time period, please contact us either by phone or email

Sale items(if applicable)

Only regular priced items may be refunded, unfortunately sale items cannot be refunded.

Exchanges (if applicable)

We only replace items if they are defective or damaged after we have recieved authorisation form the item manufacturer. Please contact us in the first instance either by phone or email and we can then begin the faulty goods procedure.

Exchanges.
If you need to exchange your purchase for a different size or colour, we are more than happy to accomodate, providing we have a suitable exchange item in stock. Please contact us via telephjon e or email in the first instance - BEFORE returning the goods and we can appraise and tailor your exhange to suit the stock or re-order position.
Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

Shipping

To return your product please contact us first either via phone or email so we can log and expect your returning item. We will give you all the return address cetails at this time.

As previously stated (see RETURNS section above). You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you are returning goods that are faulty or damaged, once we have recieved authorisation from the manufacturer, we will either facilitate return of goods directly to the manufacturer - at no cost to you, or the manufacturer will not require the item return and will conduct the faulty goods claim via photographic evidence.

Powerfly FS+ 4 800Wh

Season:2026

Brand:Trek

Code:57351GRY

The Powerfly FS+ 4 800w is a full-power full suspension electric mountain bike for taking on alpine adventures. Its powerful Bosch motor gives you a boost for soaring up climbs, while a massive 800 Wh battery keeps you going through your longest adventures. A Rockshox suspension package (120mm rear, 130mm front) smooths out rough trails, while a 10-speed Shimano CUES drivetrain delivers clean-shifts for any kind of trail.


It's right for you if...
Are you itching to get far, far out there? The Powerfly FS+ is your dream ride. This fully-capable e-MTB takes you beyond the beaten track with the trail-smoothing benefits of a full suspension mountain bike for rough roads and light singletrack, and tons of power to make the ups just as much fun as the downs.

The tech you get
An Alpha Platinum Aluminium frame with a Bosch Performance Line CX motor (85 Nm, 250W), a huge 800 Wh PowerTube RIB 2.0 removable integrated battery, and Purion 200 controller. 130mm front and 120mm rear suspension from a RockShox Recon Silver with Solo Air spring and Motion Control damper, and a RockShox Deluxe Select R shock. Tubeless-ready wheels with puncture-resistant 2.4" tyres, a 10-speed Shimano CUES drivetrain for durable, clean shifts, a Bontrager Line dropper post and powerful 4-piston hydraulic disc brakes.


Why you'll love it
- The Powerfly FS+ gives you the powerful boost you crave on high alpine climbs, confident comfort on descents and a big battery for getting far out there
- Bosch's Performance Line CX motor delivers plenty of torque for steep, punchy climbs and is easy to control with the Purion 200 remote – plus you can customise it in the eBike Flow app
- Want even more boost? With the Bosch e-Bike Flow app, you can increase torque to 100 Nm and peak power up to 750W
- It's compatible with Bosch PowerMore booster
- Removable integrated battery: RIB 2.0 is a one-piece battery and cover with a built-in handle that can easily be removed and re-installed in the frame with no tools and no hassle. It's the most convenient way to remove your battery for transport, security or just easier charging.
- Bosch Performance Line CX motor: the Bosch Performance Line CX sets the standard for e-MTB performance with up to 85 Nm of torque and an intelligent e-MTB mode with extended boost that automatically adjusts the amount of assist based on the terrain.
- Bosch LED remote: the Bosch smart system LED Remote lets you easily change assist modes, activate walk mode. The bright LEDS are easy to see in any light, and show you your battery level and assist mode at a glance.
- Bosch ebike flow app: the new ebike flow app turns your ride into a personalised experience. Use it to customise your motor's assist behaviour, track your ride stats and integrate your data with apps like strava and Apple health. There's even handy features like navigation and service reminders.
- Optional adventure-ready accessories: the Powerfly can be turned into a utility bike by adding a kickstand, mudguards and a rear rack custom made for clean integration.
Technical Information

Frameset
Frame: Alpha Platinum Aluminium, Removable Integrated Battery (RIB 2.0), tapered headtube, guided internal routing, Motor Armor, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, 34.9mm seat tube, ABP, UDH, rack and mudguard mounts, Boost 148, 120mm travel
Fork: RockShox Recon Silver, Solo Air spring, Motion Control damper, lockout, tapered steerer, 42mm offset, Boost110, Maxle Stealth, mudguard mounts, 130mm travel
Shock: RockShox Deluxe Select R, 210x50mm

Wheels
Hub front: Shimano TC500 alloy, CentreLock, 110x15mm thru axle
Hub rear: Shimano TC500 alloy, CentreLock, 148x12mm thru axle
Skewer rear: Bontrager Switch thru-axle, removable lever
Rim front: Bontrager Line TLR 30, Tubeless-Ready, 28-hole, Presta valve
Rim rear: Bontrager Line TLR 30, Tubeless-Ready, 32-hole, Presta valve
Spokes: 14 g stainless steel, black
Tyre:Bontrager Gunnison Pro XR, Tubeless-Ready, 60 tpi, (Size S: 27.5x2.40"; Sizes M, L, XL: 29x2.40")
Tyre part: Bontrager TLR sealant, 180 ml/6 oz
Rim strip: Bontrager TLR
Max tyre size: Frame: 29x2.50" (S: 27.5x2.50")

E-system
Battery: Bosch PowerTube 800 Wh, smart system
Charger: Bosch standard 2A, 230V, smart system
Computer: Bosch Purion 200
Motor: Bosch Performance Line CX, 25 km/h maximum assist

Drivetrain
Shifter: Shimano U6000, 10-speed
Rear derailleur: Shimano CUES U6000 GS
Crank: FSA Bosch CK-220, 36T ring, 165mm length
Chainring: FSA, 36T, steel
Cassette: Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed
Chain: Shimano LG500, 9/10/11-speed
Pedal: VP-536 nylon platform
Maximum chainring size: 1x: 38T

Components
Saddle: Bontrager Verse P3, steel rails
Seatpost: Size S: Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6mm, 310mm length; Sizes M , L , XL: Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 31.6mm, 450mm length
Handlebar: Bontrager Comp, alloy, 31.8mm, 40mm rise, 780mm width
Grips: Size: Bontrager XR Trail Comp, nylon lock-on
Stem: Bontrager Comp, 31.8mm, Blendr compatible, 7-degree, 5mm length
Head set: FSA IS-2, 1-1/8" top, 1.5" bottom
Brake: Tektro Gemini SL 4 piston hydraulic brake
Brake rotor: Tektro, CentreLock, 203mm

Accessories
Mudguard: Trek 27.5" custom fender

Sizing Information
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