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We guarantee the best prices Make your commute more enjoyable Flexible payment options available Pick up your bike from us When you spend over £40 on accessories
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Trek 2023 Powerfly Sport 4 Equipped Gen 4

£3,300.00  £3,425.00
Please call or message for availability and options
XS
S
M
L
XL
Part Number:

5278996

GTIN/UPC:

601842783658

Unleash your adventurous spirit with the '2023 Powerfly Sport 4 Equipped Gen 4' from TREK. Engineered as a versatile e-bike with an affordable price point, it serves the dual purpose of a daily commuter and a trail blazer. Clad with robust components, this mountain bike features a powerful Bosch smart system motor and a user-friendly Removable Integrated Battery (RIB) system, setting the eloquent tone for trekking and trail adventures.

Encapsulated in a sturdy aluminium frame, the reinforced long-range 500 Wh battery offers ample protection, even in the most challenging terrains. The bike boasts a sophisticated Bosch Performance CX smart system (250 W, 85 Nm) motor, which assists up to notable speeds of 20 mph (25 km/h in Europe), thus perfect for those exhilarating rides you yearn for. It is sturdily equipped with a 1x10 Shimano drivetrain and a SR Suntour suspension fork with lockout, delivering the performance of a high-caliber vehicle.

Turning heads with its stunning combination of versatility, affordability, and power, this TREK offering is an asset for commuting, trail riding, and rugged touring. The innovative Bosch's smart system brilliantly connects with a new Bluetooth-enabled LED remote and eBike Flow app, providing you with a tailored and digitalised riding experience. With the battery sizable enough for long adventures, the controller is integrated with an intelligent e-MTB mode, automatically delivering the desired power based on the detected terrain.

The RIB technology is a part of TREK's innovative design. Uniquely one-piece, the battery and cover, complete with a built-in handle, can easily be removed and re-installed into the frame. It is the epitome of convenience and security, enabling smooth transport and charging.

The e-bike also features the Bosch Performance Line CX motor, setting an unparalleled standard with its 85 Nm of torque. Its intelligent eMTB mode utilises Extended Boost for auto assistance adjustments based on terrain.

The revolutionary Bosch LED remote effortlessly enables changes in assistance modes, walk mode activation and optional lights control. The LED lights promise visibility in all light conditions and keep you updated on battery level and assist mode.

The new Bosch Intuvia 100 display adds digital sophistication to your ride routine. The high-contrast visual display showcases your ride data prominently, provides eBike Lock theft protection, and seamlessly connects to the remote via Bluetooth.

The Powerfly Equipped assures a thoroughly equipped ride experience. With pre-installed front and rear lights, a kickstand, mudguards, and a rear rack at your disposal, you are ready to conquer the outdoors.

Step into the future of e-biking with the Bosch eBike Flow app. With features like personalised motor assist behaviour, ride stats tracking, integration with Strava and Apple Health, navigation, and service reminders, the '2023 Powerfly Sport 4 Equipped Gen 4' is the epitome of digitalised mobility for modern biking enthusiasts.

Order your new bike from us and one of our team will hand deliver it to your home or place of work. We use a specialist 'white glove' courier trained by ourselves.

For peace of mind, every bike comes fully assembled and PDI’d by one of our Cytech mechanics – not your usual bike in a box delivery as some other shops offer.

Due to current demand for our bikes, please allow a minimum of 5-7 working days for delivery. We will call you to arrange a mutually convenient time.

Delivery Type GB Mainland (England, Scotland, Wales)

*Bikes over £2000 - Ring for cost

Click & Collect bikes of any value - FREE

Bikes less than £2000 - Ring for cost

Delivery outside of Great Britain - We do not offer delivery outside of Great Britain through this website.

Big Bear Bikes now offer a free Click & Collect service from our Pickering store for all your bike and accessory orders.

Our Click & Collect service offers all the benefits of shopping online combined with exceptional retail experience in our store. Simply order your items, select Click & Collect and pick up your item at a time that's convenient for you. Best of all the service is completely FREE!


1. Add your items to your basket

Use our website to browse our catalogue of products with stock availability. When you find the item you want, simply add it to your basket like you usually would.

2. Checkout using Click & Collect

Scroll down and choose Click & Collect as your delivery method.

3. Collect your goods

Once your order has been received, we will carefully source and prepare your goods for collection. Once ready, the store will contact you via text and/or email to confirm that the items are ready to collect. When collecting your order, you will need to bring the payment card you used to purchase the item, together with one form of photo ID – either a current driving licence or current passport.


Frequently Asked Questions

When can I collect my order?

We will notify you via email and/or text when your order is ready to collect.

If you order a bike, we will telephone you and arrange a collection appointment.

How will I know when my order is ready?

For non-bike orders we will send you an e-mail and/or text to let you know when your order is ready to collect. If you’ve ordered a bike, we will contact you by telephone once you have placed your order to arrange a collection time.

What do I need to collect my order?

Please bring with you your confirmation e-mail, the payment card you used to make the purchase and a current form of photo ID.

We will hold your order in store for 10 days. If you have any problems with getting to the store to collect your order please feel free to contact us and we will happily extend this time where possible.

How do I cancel/change my order?

If you wish to cancel your order or make any changes, please contact us on 01751 474220. Please note, full refunds will be made via the original transaction made with our online team.

How do I return my order?

Our normal returns policy applies to all Click & Collect orders - for more information see our returns policy. You can also return directly to the store.

GET UP TO 39% OFF THE COST OF YOUR NEW BIKE: HAPPY CYCLE TO WORK DAY

The UK’s Cycle To Work Scheme has been in place for over 20 years now, offering fantastic discounts to tens of thousands of riders.

The Cycle To Work Scheme, is offered through many thousands of employers in the UK and applies to bikes of all types, whether it’s road, MTB or hybrid, and that includes e-bikes too.


About the Cycle To Work Scheme

Introduced in 1999, the scheme aims to encourage employees to commute on their bike for environmental, traffic congestion and health reasons. It also enables companies to demonstrate that they’re looking after the wellbeing of their people.

Obviously, you’re supposed to use the bike for commuting – and we are massive supporters of getting to work this way – but it’s fine to buy a bike that’s built for the trails. Your employer owns the bike until you pay the final ownership fee, which is based on the “fair market value” of it at the end of that period.

As well as your new bike, you can use the scheme to buy accessories, such as helmets and bags, though these have to be ostensibly for your commute. So, no full face masks, for example. If you don’t have a lock, we strongly advise that you get one along with your bike as you’re liable for the Cycle To Work payments, even if it gets stolen while you’re paying it off.


How does the Cycle To Work Scheme work?

This is a salary sacrifice scheme for people aged 18 and over where the monthly payment for your bike is taken out before tax and National Insurance are deducted. Because your contribution is taken before tax, you pay off more per month for less. So, for a bike costing £1,200, £100 is taken from your salary every month but it only costs you £68 because the other £32 would have normally gone to the tax man, right? So, you pay 12 instalments of £68 and a final ownership fee of £300, totalling £1,116. If your salary puts you in the higher tax brackets, you actually save more but you get the gist.


I’m interested. What do I need to do?

Firstly, find out which scheme your employer is enrolled in and therefore where you can buy your bike from. We work with a number of Cycle To Work providers, including cyclescheme.co.uk, cycleplus and Bikes for the NHS.

Then you need to speak to your HR department and request a certificate, bring it to us and we’ll redeem it against the cost of your bike and accessories. The salary sacrifice commences from your next pay packet.

To get a bike on the scheme, your employer needs to sign up to a provider. If they’re unsure about how to do this, send them to us and we’ll help.


PRICE PROMISE

If you can find it cheaper - let us know!

As well as offering a fantastic range of cycling equipment, Big Bear Bikes is equally committed to offering great value.

We want you to shop with confidence, hence our simple price promise. If you are interested in any item from Big Bear Bikes, and it is in stock at a comparable UK cycle retailer at a lower price, we will match that competitor’s price.

Price Match – Terms & Conditions


  • Items must be in stock and available to all customers with a comparative retailer.
  • Only identical items (size, colour, year model, etc.) can be matched.
  • UK comparisons only.
  • We are unable to match pricing from auction sites such as eBay.
  • Comparable service conditions including delivery and fitting will be factored into the competitor’s price.
  • Product from our current range will only be matched. Price matching will not be applied to transactions involving other promotional offers, discounts, financial products (0% finance, etc.) or bike to work.
  • Repair, servicing and events cannot be price matched. Verification of the competitor’s price may be required by the Manager and the Manager’s decision is final.
  • Big Bear Bikes reserve the right to amend, withdraw or extend the offer at any time.
  • Price matching cannot be applied retrospectively.

Frame Size XL, UNI, Aluminium, Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle
Wheel Size Front 29
Wheel Size Rear 29
Fork SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm thru axle, 120 mm travel
Fork Unknown
Gears DERAILLEUR, Shimano, 1 Gears
Tyres BONTRAGER,
Pedals UNBRANDED,
Wheels UNKNOWN, Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve Formula DC-511, 6-bolt, Boost110, 15 mm thru axle Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
Shifters SHIMANO, Shimano Deore M4100, 10 speed,
Kickstand PLETSCHER, Pletscher
Front Brake SH, Tektro HD-M275 hydraulic disc Tektro, 6-bolt, 180 mm // Tektro, 6-bolt, 203 mm Max brake rotor size, Disc brake with hydraulic actuation
Rear Brake SH, Tektro HD-M275 hydraulic disc Tektro, 6-bolt, 180 mm // Tektro, 6-bolt, 203 mm Max brake rotor size, Disc brake with hydraulic actuation
Rear Derailleur ,
Crankset FSA, FSA Bosch CK-220, 36T ring, 165 mm length
Chain KMC, KMC X10, 10-speed
Headset FSA, FSA IS-2, 1-1/8" top, 1.5" bottom
Handlebar BONTRAGER, Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width
Stem BONTRAGER, Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length
Bartape / Grips BONTRAGER
Seatpost BONTRAGER
Seatpost Clamp UNBRANDED
Saddle BONTRAGER, Bontrager Commuter Comp
Carrier UNBRANDED
Mudguards TREK
Front Light UNKNOWN
Rear Light UNKNOWN
Battery Capacity 500
Battery Brand BOSCH
Battery Model BOSCH
Drivetrain Brand Bosch
Sensor Type PEDALFORCE
Colours MATTE BLACK/GLOSS RED
Sizes L, M, S, XL, XS
Brand Trek
Model Year 2023
Barcodes 601842783658, 601842783665, 601842783672, 601842783689, 601842783696
SKUs / Part Numbers 5278992, 5278993, 5278994, 5278995, 5278996

Please note: Manufacturers can sometimes change the specification of the products from time to time.

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