Types of spares
Brand Spares
Bosch e-bike spares
Yamaha e-bike spares
Shimano e-bike spares
The new 2026 Cube electric bike range has just been launched! Check it out here 👉 Cube 2026
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.
Discover the Cube Reaction Hybrid SLX 800 2026—the pinnacle of lightweight, high-performance e-bikes designed for riders who demand the best. Its premium aluminium frame combines strength with featherlight agility, delivering razor-sharp handling on technical trails and fast rides.
Powered by Bosch’s 100 Nm Performance Line CX motor and a powerful 800 Wh battery, it offers dynamic, responsive assistance that conquers steep climbs and long distances effortlessly. Equipped with a precise Shimano XT drivetrain and hydraulic disc brakes, it provides smooth shifting and confident stopping in all conditions.
With premium front suspension and high-traction tyres, the SLX 800 is ready for serious trail riding or speedy commutes.
Performance, precision, and cutting-edge Bosch technology—the Reaction Hybrid SLX 800 sets the standard for e-mountain biking excellence.
Full product detailsOur 5 point review...
1
Top tier performance - mid tier price.
2
Up to 170 miles of range from the Bosch 800Wh Powertube battery
3
Compelte Shimano XT group set
4
Latest Bosch Gen 5 Performance CX 100Nm motor
5
Bosch Kiox 500 display with fitness integration and satnav functionality
Battery
Bosch 800Wh
Display
Bosch Kiox 500
Motor
Bosch CX Gen 5
Range
30-170 miles
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Over 700 E-Bikes in stock ready for next business day delivery
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Renowned support from in house qualified E-Bike technicians
Instant parts & spares
Exclusive access to E-Bike spares in stock & delivered quickly
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We're the specialists ready to help with your E-Bike journey
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 15Nm of torque.
This bike will come with the latest update of 100Nm torque output already installed. This update unlocks up to 400% 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 400% 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. 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.
Features
The 2026 Cube Reaction Hybrid SLX 800 represents the pinnacle of hardtail e-MTB performance, offering top-tier components, Bosch Performance Line CX Gen 5 motor, and an 800 Wh battery. While priced comparably to many competitors’ mid-range models, it delivers exceptional power, handling, and reliability.
High-quality drivetrain, brakes, and tyres ensure confident performance on every trail, while durable construction and thoughtful design provide longevity. This combination of premium specification and competitive pricing makes it a standout choice for riders seeking maximum performance without compromise.
The 2026 Cube Reaction Hybrid SLX 800 has the potential to become the grail bike of the hardtail e-MTB market this year. Combining top-tier components, Bosch Performance Line CX Gen 5 motor, and an 800 Wh battery, it delivers unmatched power, range, and reliability.
With precise handling, durable construction, and high-end brakes, gears, and tyres, it offers an exceptional ride straight out of the box. Performance, versatility, and value make it a dream bike for enthusiasts.
Brakes & Gears
Shimano XT 4-piston brakes deliver powerful, consistent hydraulic stopping performance, providing riders with exceptional control and confidence across all terrains. Smooth modulation ensures precise braking on steep descents, technical trails, or urban rides.
Ergonomically designed levers offer comfort and reduce hand fatigue on longer journeys, while robust construction guarantees durability and long-lasting performance. Combining strength, reliability, and ease of use, Shimano XT 4-piston brakes are an ideal choice for riders seeking high-performance, dependable stopping power on demanding e-MTB adventures.
Shimano 12-speed gearing delivers precise, smooth, and reliable shifting across all terrain, giving riders confidence and control in any situation. Its wide-range cassette makes climbs easier and descents faster, while durable, low-maintenance components ensure long-lasting performance. Ergonomically designed shifters provide intuitive, responsive operation, enhancing efficiency and ride quality.
Built for both challenging trails and everyday cycling, the Shimano 12-speed system balances strength, consistency, and versatility, offering riders a high-performance drivetrain capable of tackling any e-MTB adventure.
Shimano XT brakes provide powerful, consistent hydraulic stopping performance with smooth modulation. Durable and reliable, they offer precise control, confidence, and comfort across varied terrain, making them ideal for demanding e-MTB rides.
Shimano 12-speed gears deliver smooth, precise, and reliable shifting across varied terrain. Durable and low-maintenance, they handle climbs, descents, and technical trails effortlessly, providing riders responsive, efficient, and versatile drivetrain performance.
Shimano 12-speed shifters provide precise, quick, and reliable gear changes. Ergonomically designed for comfort and control, they deliver smooth, responsive operation, enhancing efficiency and confidence across varied trails and riding conditions.
Wheels & Tyres
The Newmen 30 wheelset delivers a strong, lightweight, and responsive foundation for this e-MTB, balancing performance and durability for a wide range of riding conditions. Precision-engineered rims and robust hubs ensure long-lasting reliability, while the lightweight design enhances acceleration, manoeuvrability, and overall handling.
Built to handle technical trails, rough terrain, and fast-flowing paths, the Newmen 30 wheels provide consistent traction and control. They perfectly complement the bike, offering riders a high-performance, dependable, and versatile wheelset for every adventure.
The Schwalbe Smart Sam Performance Kevlar 2.6" tyres offer exceptional versatility, providing excellent traction, stability, and control across a variety of terrains. Their wide 2.6-inch profile enhances comfort, grip, and confidence on both rugged trails and smoother surfaces. Kevlar-reinforced construction improves durability and puncture resistance, ensuring long-lasting performance.
Combining resilience, consistent handling, and dependable grip, these tyres perfectly complement the bike, delivering a balanced, reliable, and enjoyable ride for every adventure, whether off-road or on urban paths.
The bottom line..
The 2026 Cube Reaction Hybrid SLX 800 represents the very peak of hardtail e-MTB performance, combining top-tier components, Bosch Performance Line CX Gen 5 motor, and an 800 Wh battery.
Its precision handling, durable construction, and high-end drivetrain, brakes, and tyres deliver unmatched reliability and control. Priced competitively against mid-range models, it sets a new benchmark for value and performance. This bike redefines expectations, offering riders a premium, versatile, and exhilarating e-MTB experience for the model year.
The 2026 Cube Reaction Hybrid SLX 800 is built for outstanding reliability, designed to handle challenging trails and varied terrain with confidence. Its thoughtful engineering ensures consistent, long-lasting performance, while intuitive controls make every ride easy and enjoyable.
With minimal maintenance requirements and low running costs, this e-MTB is simple and affordable to keep in top condition. Riders can focus on adventure and performance, knowing their bike is dependable, durable, and hassle-free.
Power
The 2026 Cube Reaction Hybrid Race 800 is powered by Bosch’s Performance Line CX Gen 5 motor, delivering 100 Nm of torque for smooth, responsive, and powerful pedal assistance. Its compact, lightweight design ensures precise handling and excellent control, making climbs, long rides, and varied trail terrain effortless.
Paired with the integrated 800 Wh PowerTube battery, riders benefit from extended range and well-balanced weight distribution, enabling longer off-road adventures without compromise. The Purion display provides clear, intuitive access to assistance levels and essential ride data, keeping control simple and straightforward.
Full Bosch eBike Flow app compatibility allows route planning, performance tracking, and firmware updates, keeping the bike connected and current. Together, these features create a seamless, reliable, and exhilarating mountain biking experience.
The Bosch Kiox 500 display features a clear, colour screen showing ride data, speed, and motor settings. Its intuitive interface provides easy control, performance tracking, and enhanced visibility for confident, informed mountain biking.
The Bosch Performance Line CX Gen 5 motor delivers 100 Nm of torque for smooth, powerful, and responsive pedal assistance. Its compact, lightweight design ensures precise handling and effortless performance on demanding trails.
The Bosch 800 Wh PowerTube battery provides long-lasting energy and reliable performance, with balanced weight distribution for stable handling. Its integrated design ensures durability and minimal maintenance, supporting extended off-road adventures confidently.
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 Fox 34 Float AWL, 2-Position Sweep-Adjust RAIL Damper, 120mm (S: 100mm)
Brakes Shimano XT BR-M8220, Hydr. Disc Brakes, 203mm Rotors
Shifters Shimano XT SL-M8100-IR, 12-Speed
Rear Mech Shimano XT RD-M8100-SGS, ShadowPlus, 12-Speed
Cassette Shimano XT CS-M8100, 10-51T
Chain KMC e12
Wheelset Newmen Performance 30, 15x110mm / 12x148mm, Tubeless Ready
Tyres Schwalbe Smart Sam, Performance, Kevlar, 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
Weight 24.3 Kg
Electric Bike Specifications
Battery Bosch PowerTube 800Wh, with BMS Management
Display Bosch LED Remote + Kiox 500 Display
Motor Bosch Drive Unit Performance CX Gen 5 100Nm 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.
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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