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Colour: Silver Dust
Click 'Find out more' above to calculate costs. Then simply add the bike and any products you wish to the cart and proceed through the checkout, where you can apply online and the process is automated.
We deal with all major cycle to work scheme providers. You can save up to 48.25% on the purchase of your new electric bike. We don't add on any hidden charges or fees (even on sale items).
Fast electric bike delivery subsidised to just £4.99 (for mainland UK). We also deliver to Highlands & Islands as well as the rest of the world. Simply add to cart, the shipping cost is calculated at checkout.
Every electric bike purchased from us benefits from free 30-day insurance cover from our partners at Bikmo. This covers both theft and damage. Simply opt for your free e-bike insurance cover at the cart.
Seen a bike advertised for less elsewhere, but want to purchase with all the benefits of buying from the electric bike experts? We'll do our best to match the price on a like-for-like service and product.
Want to view your dream bike, or maybe you just need a little more information or support? Why not visit our HQ where we have over 150+ electric bikes on display and one of our e-bike experts can assist.
Introducing the 2027 Cube Reaction Hybrid Pro 800—a high-performance electric bike designed for riders seeking power, precision, and versatility. Its lightweight yet sturdy aluminium frame offers excellent handling and durability across varied terrain.
Powered by Bosch’s 120Nm Performance Line CX motor paired with a massive 800Wh battery, it delivers smooth, powerful assistance to tackle steep climbs and long rides effortlessly. The premium Shimano XT drivetrain ensures crisp, ultra-reliable gear changes, while the upgraded Shimano MT420 hydraulic disc brakes provide confident, all-weather stopping power.
Featuring a RockShox Recon front suspension fork to masterfully absorb shocks, wide tyres for maximum grip, and a sleek, aggressive design, this bike is ready to conquer dirt trails or commute in style.
Performance, endurance, and Cube quality combine seamlessly in the 2027 Reaction Hybrid Pro 800—your perfect partner for every adventure.
Full product detailsOur 5 point review...
1
Superlight aluminium frame combines strength, comfort, and daily durability.
2
Bosch CX Generation 5 motor delivers explosive 120Nm torque.
3
High-density 800Wh battery provides up to 170 miles range.
4
RockShox Recon air fork supplies 120mm tunable suspension travel.
5
Shimano 4-piston hydraulic brakes deliver supreme stopping power.
Battery
Bosch 800Wh
Display
Bosch Purion 200
Motor
Bosch CX Gen 5
Range
30-170 miles
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The Bosch "Gen 5" Performance CX motor launched as a 85Nm motor. Bosch periodically release updates for their drive systems, normally for reliability and performance. Recently, Bosch announced the option for an extra 35Nm of torque.
This bike will come with the latest update of 120Nm torque output already installed. This update unlocks up to 600% maximum assistance in Turbo mode. You can adjust the power back down if required by using the Bosch eBike Flow App.
The new eMTB+ riding mode delivers dynamic support at the highest level, blending the smooth control of eMTB mode with the full power of Race mode - offering up to 600% maximum support. It's available as part of this new firmware update.
Extended boost remains easy to modulate like in eMTB mode, while unleashing the full force of Race mode when needed. Up to 750 watts of power is delivered naturally and responsively, based on your pedal input. eMTB+ gives you the best of both worlds - combining agility, performance, and control for a truly natural riding experience. It is also possible to maintain peak power for longer, depending on riding conditions.
Features
The Reaction Hybrid Pro 800 offers exceptional value by pairing flagship motor performance with a lightweight, accessible hardtail chassis. Featuring Bosch's powerful Gen 5 CX drive unit, a massive 800Wh battery, RockShox air suspension, and a factory dropper post, it packs premium off-road technology into an unbeatable price point.
Aimed at ambitious leisure cyclists, trail commuters, and weekend adventurers, this hardtail provides an incredible cost-to-spec ratio for riders wanting maximum motor power and long battery range without full-suspension complexity.
The Cube Reaction Hybrid Pro 800 2027 is engineered specifically for cross-country trail riding, forest fire roads, and long-distance mountain touring. Designed as a capable off-road explorer, its 120mm RockShox Recon air fork absorbs root chatter and rough tracks smoothly, while the factory dropper post allows easy position changes on steep descents.
Whether tackling rugged gravel paths, scenic bridleways, or challenging backcountry loops, this hardtail delivers a stable, comfortable, and confidence-inspiring ride across all varied off-road terrain on a platform which is easily upgraded as skills develop.
Brakes & Gears
Stopping power is supplied by dependable Shimano BR-MT420 four-piston hydraulic disc brakes paired with large 203mm rotors front and rear. Featuring a robust calliper design, this system provides outstanding heat management, sharp lever engagement, and precise power modulation under sustained heavy braking.
Whether controlling speed down steep off-road descents, navigating wet gravel tracks, or bringing the bike to a sudden stop in traffic, riders benefit from fade-free consistency, low-maintenance reliability, and total stopping confidence on every outing.
Drivetrain duties are managed by a high-performance 12-speed Shimano system featuring a wide 10-51T Deore cassette and durable KMC e12 chain. Driven by a direct-attach single-click shifter, the premium Shimano XT ShadowPlus rear derailleur executes crisp, surgical gear changes across the entire spread.
This broad gear range ensures you can always maintain an optimal pedalling cadence, whether grinding up sheer vertical forest climbs or spinning effortlessly along fast, flowing countryside paths during long rides.
Shimano BR-MT420 four-piston hydraulic disc brakes with 203mm rotors deliver rapid heat dissipation, excellent lever modulation, and reliable stopping power down steep, loose off-road gravel descents.
The Shimano XT 12-speed ShadowPlus rear derailleur offers fast, accurate gear changes, using an integrated clutch mechanism to eliminate chain slap and maintain smooth power delivery across rough ground.
The Shimano Deore 12-speed single-click shifter features direct-attach mounting, delivering crisp, ergonomic gear selection while effectively preventing double-shifting under heavy motor torque to preserve drivetrain components.
Wheels & Tyres
The ACID SLX 30 wheelset features a durable, tubeless-ready rim construction engineered specifically to handle rugged trail riding and long-distance touring. Built with Boost hub spacing (15x110mm front, 12x148mm rear), these wheels offer excellent lateral stiffness and efficient power transfer under heavy motor drive.
The wide 30mm internal rim width supports high-volume tyres perfectly, allowing lower inflation pressures for enhanced riding comfort, increased cornering traction, and reduced rolling resistance over rough, rocky surfaces.
Schwalbe Smart Sam 2.6-inch tyres deliver an ideal balance of off-road traction and low on-road rolling resistance across varied surfaces. Featuring a compact central tread pattern alongside grippy outer shoulder studs, they roll smoothly on tarmac while biting predictably into loose gravel, dry forest tracks, and mud.
The high-volume casing absorbs trail chatter and small impacts, providing a comfortable ride, added puncture protection, and confident cornering stability across diverse everyday environments on every trip.
The bottom line..
This high-performance hardtail e-MTB is tailored for ambitious leisure cyclists and adventure riders who demand maximum climbing power and uncompromised battery range. It caters brilliantly to trail enthusiasts and fitness riders looking to explore further into the countryside without the maintenance of full-suspension linkages.
With its balanced upright geometry, plush air fork, factory dropper post, and huge 800Wh battery, it empowers riders to conquer steep hills effortlessly and enjoy all-day backcountry adventures with total confidence.
Combining Cube's manufacturing expertise with Bosch's industry-leading e-bike technology delivers incredible durability, user-friendly operation, and long-term owner satisfaction. Cube's Superlight aluminium frames undergo stringent stress testing to handle demanding off-road use, while Bosch Gen 5 drive systems are celebrated for silent operation, intuitive power output, and global service accessibility.
This synergy provides riders with a future-proof, high-performance electric bike backed by accessible main-dealer servicing, readily available replacement parts, and exceptional long-term value that rival brands cannot match.
Power
Powered by the flagship Bosch Performance Line CX Generation 5 drive unit, this e-MTB produces a massive 120Nm of torque for effortless climbing across extreme off-road gradients.
Integrated seamlessly into the frame, the 800Wh Bosch PowerTube battery features advanced BMS management, offering an impressive power-assisted range of 30 to 170 miles depending on conditions.
The handlebar-mounted Bosch Purion 200 display delivers a bright colour screen showing real-time speed, battery percentage, and assist modes at a glance.
The entire system connects via Bluetooth to the Bosch eBike Flow app, enabling riders to adjust motor support settings, track detailed ride statistics, perform wireless software updates, and utilise smart navigation features for a fully connected, hassle-free riding experience.
The handlebar-mounted Bosch Purion 200 display features an integrated colour screen, displaying speed, battery status, and assist modes for intuitive control and clear visibility on every ride.
The Bosch Performance Line CX Generation 5 motor delivers explosive 120Nm torque and 250W power output, providing smooth pedal assistance and exceptional climbing drive across steep, technical trail terrain.
The integrated 800Wh Bosch PowerTube battery delivers high energy storage capacity with smart BMS management, providing up to 170 miles of power-assisted range for extended off-road exploration.
What's included
Your new Cube electric bike gets a full set-up by our workshop technicians ahead of delivery.
Your Cube eBike will arrive with a user manual, keys (where applicable), charger & free follow up service (at our service center) within 3 months of delivery.
Cube electric bikes include a 6yr (Alloy) or 3yr (Carbon) warranty on the frame, 2yr warranty on all the electrics and 1yr warranty on the components. In the event of a problem, we handle all warranty claims via our dedicated support in-house.
E-Bikeshop is a Cube UK eBike Service Center and our in-house workshop is exclusively reserved for our own eBike customers. We have time to support the eBikes we sell.
Specifications
General Bike Specifications
Frame Cube Aluminium Superlight Alloy
Forks RockShox Recon Silver RL Air, Tapered, 15x110mm, 120mm (S: 100mm)
Brakes Shimano BR-MT420, Hydr. Disc Brakes, 203mm Rotors
Shifters Shimano Deore SL-M6210-IR, Direct Attach, 12-Speed
Rear Mech Shimano XT RD-M8200-SGS, ShadowPlus, 12-Speed
Cassette Shimano Deore CS-M6100, 10-51T, 12-Speed
Chain KMC e12, 12-Speed
Wheelset ACID SLX 30, 15x110mm/12x148mm, Tubeless Ready
Tyres Schwalbe Smart Sam, Active, 2.6" (27.5: S / 29: M, L, XL, XXL)
Handlebars CUBE Rise Trail Bar 35
Stem CUBE Performance Stem E-MTB 35, FPI-Link
Headset ACROS AZF-1034, ICR
Seatpost CUBE Dropper Post, 31.6mm
Saddle ACID Sequence 160 Pro Bubble Foam
Weight 24.8 Kg
Electric Bike Specifications
Battery Bosch PowerTube 800Wh, with BMS Management
Display Bosch Purion 200 Display
Motor Bosch Drive Unit Performance CX Gen 5 120Nm 250W
Range 30-170 miles of power assisted range, depending on terrain
Downloads
FAQs
To see the estimated monthly installments on any bike, simply click the 'Find out more' button towards the top of this page. You can select the deposit amount and loan period to quickly calculate the monthly cost before proceeding to place your order.
Finance is automatically processed online at the checkout when selected, you can learn more on our dedicated E-Bike finance page.
Some models have more available sizes than others. Whilst some bikes are only available in a 'one size fits all'.
Note: You may be a particular size on one model and a different size on another model. Please use the size calculator on each model page as sizes can vary between manufacturers and models.
You can learn how to process these by clicking on any of the links above. For more information, please visit the dedicated Cycle to Work Scheme portal.
In Stock: In stock now and available to order for immediate delivery
Pre-Order: Available to pre-order with estimated date of arrival shown
Sold Out / Out of Stock: The model is completely sold out in this variant and no longer available to order
If this bike is showing as Out of Stock in your size, it's worth checking if there's colour options as the same model and size may be available in a different colour. Failing that, we also offer a handy link to 'View similar bikes in this size'.
We will then prepare your new eBike and be in touch to book a suitable collection day/time.
One of our experts is on hand to help you set up the correct position on your new eBike along with answering any questions that you may have.
Not all of our electric bikes have colour options available.
We can talk you through your requirements, riding style and offer expert advice as to which model to select.
We generally keep over 150 eBikes built in our showroom. Note: Some models shown as 'Pre-Order' may not be in the showroom to view as the bike is still due from the supplier. We can also give you the opportunity to ride a similar electric bike so you can get a feel for how electric bikes work prior to purchase. It’s important to note we don’t have every single bike, in all sizes, colours and variants etc available for test ride.
Should you wish to purchase, we give the option to take it away that same day (subject to stock) with any extras fitted and a handover session on the bike itself by one of our eBike experts.
You can learn more on our E-Bike delivery page. International buyers can view international delivery times.
For delivery on 'Pre-Order' items, the estimated arrival date is shown at the point of order. On arrival our team will make contact to settle any outstanding balance. Once settled in full, we'll then proceed to dispatch your new eBike without delay.
This not only covers for theft, but also covers you for public liability, breakdown, accessories, accidental damage and returning home cover. You can learn more on the dedicated electric bike insurance page.
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