CUBE Reaction Hybrid Pro 800 (2026) – Electric Hardtail Mountain Bike
Product Overview
The CUBE Reaction Hybrid Pro 800 (2026) combines modern Bosch electric assistance with a capable aluminium hardtail mountain bike platform. Designed for recreational trails, forest routes and countryside adventures, it brings together a high-capacity battery, dependable Shimano components and comfortable air suspension.
Finished in the striking nebular’n’dazzle colour scheme, the bicycle features CUBE’s Aluminium Superlite frame with Gravity Casting Technology, Agile Ride Geometry and fully integrated Bosch battery storage. Its classic diamond-frame design offers a sporty appearance, while advanced internal cable routing contributes to clean and streamlined lines.
Whether tackling hills, exploring mixed terrain or enjoying weekend cycling adventures, the Reaction Hybrid Pro 800 offers a versatile balance of assistance, comfort and control.
Key Features
- Bosch Performance Line CX Motor: Responsive pedal assistance for climbs and varied terrain, with maximum available torque depending on the installed motor configuration.
- 800 Wh Bosch PowerTube Battery: High-capacity integrated battery provides energy for everyday riding and longer recreational adventures.
- Shimano XT/Deore 12-Speed Gearing: A Shimano XT rear derailleur and Deore shifter work with a wide-range 10–51T cassette.
- SR Suntour Air Suspension: X1-32 LO-R Air fork delivers 120 mm travel on larger frames and 100 mm on size S.
- Shimano Four-Piston Hydraulic Brakes: BR-MT420 brakes feature large 203 mm rotors at both wheels.
- Schwalbe Smart Sam Tyres: Wide 2.6-inch tyres provide versatility on suitable off-road tracks and mixed surfaces.
- Dropper Seatpost: Handlebar-operated saddle-height adjustment improves flexibility when moving between climbs and descents.
- Accessory-Ready Design: Frame mounts and the X-Connect interface support compatible mudguards, carriers and front lighting accessories sold separately.
Bosch Performance Line CX Motor
The Reaction Hybrid Pro 800 is powered by Bosch’s Performance Line CX Smart System drive unit from the BDU38 family. The motor supports the rider’s pedalling effort, helping maintain momentum on steep gradients and challenging recreational routes.
Das Radhaus specifies a maximum motor torque of 100 Nm for this particular listing. CUBE’s current manufacturer specification identifies a maximum available torque of up to 120 Nm, depending on motor software and configuration.
The Bosch Purion 200 integrates a compact display with convenient assistance controls, allowing riders to access essential ride information directly from the handlebar.
800 Wh Battery & Range
The integrated Bosch PowerTube 800 battery provides 800 Wh of rated energy capacity. Its placement inside the aluminium frame maintains a streamlined appearance and supplies energy to the Bosch drive system.
The listed standard equipment includes a Bosch 2A charger. The frame is also compatible with the optional Bosch PowerMore 250 range extender, available separately.
Actual riding distance depends on assistance level, rider weight, elevation gain, temperature, tyre pressure and riding conditions. A fixed distance per charge is not guaranteed.
Shimano XT and Deore 12-Speed Transmission
The Reaction Hybrid Pro 800 uses a Shimano XT RD-M8100-SGS rear derailleur with a Shimano Deore SL-M6100-IR shifter.
A Shimano Deore CS-M6100 10–51T cassette provides a broad range of gears for tackling climbs, flatter routes and changing gradients. A KMC e12 chain and ACID MTB Hybrid Pro 38T crankset complete the drivetrain.
This mechanical transmission offers dependable shifting without requiring an electronic gear system.
SR Suntour Air Suspension
The SR Suntour X1-32 LO-R Air fork provides adjustable air-sprung suspension to reduce bumps from uneven paths, gravel tracks and suitable mountain bike trails.
Frame size S features 100 mm of front suspension travel, while sizes M, L, XL and XXL provide 120 mm.
As a hardtail, the bicycle has no rear suspension shock, keeping the rear frame construction straightforward and suitable for recreational off-road riding.
Shimano Four-Piston Braking
Shimano BR-MT420 hydraulic disc brakes feature four-piston calipers and large 203 mm front and rear rotors.
They provide controlled stopping performance for challenging gradients, uneven terrain and varied riding conditions.
Wheels, Tyres & Trail Handling
ACID SLX 30 tubeless-ready wheels are paired with Schwalbe Smart Sam Active tyres in a generous 2.6-inch width.
CUBE’s Size Split system provides 27.5-inch wheels on size S and 29-inch wheels on sizes M through XXL, helping match wheel proportions to frame size.
The frame’s Agile Ride Geometry aims to combine stable handling with responsive steering on recreational trails and suitable mixed surfaces.
Frame Design & Rider Comfort
The Aluminium Superlite frame includes Gravity Casting Technology, Boost148 spacing, integrated battery storage and advanced internal cable routing.
A CUBE Rise Trail Bar 35, ACID Hybrid Perform grips and ACID Sequence 160 saddle provide practical contact points.
The handlebar-operated CUBE dropper seatpost allows the rider to lower the saddle for descents and raise it for comfortable seated pedalling.
Accessories & Compatibility
The standard Reaction Hybrid Pro 800 does not include a fitted front light, rear light, mudguards or luggage carrier.
The frame has mounting provisions for compatible ACID accessories, including mudguards, a luggage carrier and kickstand. The X-Connect interface enables connection of a compatible front light, purchased separately.
The optional Bosch PowerMore 250 range extender can also be added, subject to compatibility and installation requirements.
Why Choose the CUBE Reaction Hybrid Pro 800?
The CUBE Reaction Hybrid Pro 800 combines Bosch Performance Line CX assistance, a generous 800 Wh battery, Shimano XT/Deore mechanical gearing and a capable air-suspension hardtail frame.
Its wide tyres, four-piston hydraulic disc brakes and dropper seatpost make it an attractive choice for riders seeking dependable performance and versatility on countryside routes and recreational mountain bike trails.
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