Key features

Bosch Performance CX Gen 5 motor with up to 120 Nm of torque: confident power for steep climbs and technical terrain
Bosch PowerTube 800 Wh battery hidden inside the frame for long range rides without affecting the bike's handling
Shimano XT Di2 12-speed electronic shifting: precise, effortless gear changes at the touch of a button
Fox 34 Float fork with 2-position RAIL damper lets you switch between trail and efficiency modes on the fly
Shimano XT 4-piston hydraulic disc brakes (203/203 mm) deliver reliable stopping power in any weather
Fully Equipped out of the box: full-length mudguards, rear rack, kickstand and integrated lighting included

Cube Reaction Hybrid SLX 800 FE

A trail-ready e-MTB that pulls double duty as your daily commuter.

Available sizes

Select a size

4 499,00 €

Pay in 3× €1,499.67 at no extra cost with Alma

Or finance your bike

Renting individual136,90 €/month

Store availability

Liège · Out of stock Brussels · Out of stock

Free delivery

Delivered ready to ride

Easy returns within 14 days

2-year warranty on the motor

Secure payment

Description

The Cube Reaction Hybrid SLX 800 FE is an electric mountain bike built for riders who want to tackle trails and cover daily distances without swapping bikes. The Bosch PowerTube 800 Wh battery is fully integrated into the Superlite aluminium frame, keeping the profile clean and the centre of gravity low — a difference you'll feel on twisting singletrack and through tight urban streets alike.

Power comes from the Bosch Performance Line CX Gen 5 motor, delivering up to 120 Nm of torque (unlockable via the eBike Flow app). In practice, that means steep gradients and loose-surface accelerations feel manageable even with a load on the rack. The Bosch Kiox 500 display keeps range, speed and assist mode clearly visible at a glance. Gear changes are handled by the Shimano XT Di2 1x12 electronic drivetrain — a light touch on the lever is all it takes, with no cable stretch or missed shifts.

The Fox 34 Float AWL fork with its 2-position RAIL damper gives you a meaningful choice: lock it out for fast road sections or open it up fully when the trail gets rough. 27.5-inch wheels with 2.6" Schwalbe tyres roll smoothly on tarmac and grip confidently on dirt. Braking is handled by Shimano XT BR-M8120 4-piston callipers with 203/203 mm rotors — progressive and powerful in wet or muddy conditions.

The FE (Fully Equipped) spec means you're ready to ride from day one: full-length mudguards, rear rack, kickstand and integrated lighting come as standard. The Artline finish is applied by hand on each bike and enhanced digitally, making every frame individual. Available in S, M, L and XL, the Reaction Hybrid SLX 800 FE suits riders who ride frequently, cover serious distances and don't want to be limited by terrain.

Bosch Gen 5 'Performance CX' - 120 Nm

The benchmark engine for riders who make no compromises. The 5th generation Bosch Performance Line CX is the trail engine par excellence: with 120 Nm of torque and assistance up to 25 km/h, it delivers raw and controlled power, capable of swallowing the most demanding slopes without ever flagging. Redesigned from the ground up, this 5th generation engine is more compact and lighter than its predecessors, while improving responsiveness. The response to pedaling is immediate and precise, with intelligent torque management that adapts to each variation in terrain - technical trails, steep climbs or chaotic paths, the CX knows no limit.

Bosch PowerTube 800 Wh

Uncompromising autonomy. The Bosch PowerTube 800 Wh is the battery that frees cyclists from the constraint of mileage. With 800 Wh of capacity, it pushes the limits of every outing — whether it's a long commute, a weekend getaway or a multi-day wilderness adventure. Integrated directly into the frame tube, the PowerTube disappears into the silhouette of the bike for a clean aesthetic and optimal protection against shocks and bad weather. Light for its capacity, it recharges quickly and pairs perfectly with all Bosch Smart System motors for intelligent energy management in real time.

Bosch Kiox 500

The screen for those who want to see everything. The Bosch Kiox 500 is the advanced version of the Kiox range — a larger, brighter and more comprehensive connected display, designed for cyclists who want to access all of their riding data without taking out their smartphone. Its enlarged display offers optimal readability in all conditions, whether in the middle of the forest or in full urban sunshine. Permanently connected to the eBike Flow app via Bluetooth, it centralizes navigation, performance data and customization of modes in one place. A clear interface, careful ergonomics and exemplary responsiveness - the Kiox 500 is the reference screen for long and demanding outings.

Shimano XT Di2 RD-M8260-SGS, 12-Speed, Electronic Shifting System

Electronic shifting conquers the trail. The Shimano A simple press of the button is enough for an instantaneous, silent and perfectly calibrated gear change, even in the middle of a recovery or on a chaotic section. The SGS (Super Extra Long) version offers the maximum screed capacity to cover the entire development range of the widest 12-speed cassettes. No more loose cables, no more misadjustments during outputs - the Di2 maintains absolute precision from the first to the last hour, without intervention. And thanks to Bosch eShift compatibility, it integrates natively into the Bosch VAE ecosystem for automatic gear changes based on cadence and terrain.

Fox 34 Float AWL, 2-Position Sweep-Adjust RAIL Damper, Tapered, 15x110mm, E-Bike Optimized, 100mm

The fork designed for city and road e-bikes. The Fox 34 Float AWL with RAIL Damper 2-position Sweep-Adjust shock absorber is a fork specially designed to meet the particular requirements of electric bicycles — higher mass, high torques, intensive use. With 100mm of travel, it is optimized for electric trekking bikes, electric gravel bikes and assisted urban bikes, where comfort and control take precedence over pure trail performance. The RAIL Damper system with 2-position Sweep-Adjust allows you to easily switch between a soft open position for uneven paths and a firmer position for smooth roads — a quick, intuitive adjustment that maximizes pedaling efficiency. The E-Bike Optimized designation means that the fork has been reinforced and recalibrated to support the additional weight and specific constraints of everyday e-bikes.