The Ultimate 2027 Cube Reaction Hybrid Buyers Guide: Model Comparison & Tiers
The hardtail e-MTB market has a undisputed king, and its name is the Cube Reaction Hybrid. For years, this bike has been the go-to choice for UK riders wanting an electric mountain bike that can do it all—from tackling rugged weekend trail centres to eating up the daily tarmac commute.
For 2027, Cube has completely revolutionized the platform. Introducing an entirely redesigned frame, the latest Gen 5 Bosch Performance Line CX motor, and massive battery capacities up to 800Wh, the 2027 lineup is the most advanced yet.
With so many models available—Performance, Pro, Race, and SLX—choosing the right one can feel overwhelming. As South Wales' leading premium Cube e-bike specialist, Damian Harris Cycles has broken down the entire 2027 range to help you find your perfect match.
The 2027 Foundations: What Every Model Shares
While the components change as you move up the price tiers, every 2027 Cube Reaction Hybrid is built on a shared, state-of-the-art foundation:
• Next-Gen Bosch CX Motor: Every model features the brand-new Bosch Performance Line CX Gen 5 motor, delivering 85Nm of torque in a lighter, whisper-quiet, and ultra-smooth power delivery package.
• Modular Smart System: Fully integrated with the Bosch eBike Flow App for custom motor tuning, over-the-air updates, and digital security tracking.
• Frame Variations: Available in standard cross-bar, semi-step-through Trapeze, or commuter-ready FE (Fully Equipped) styles featuring pre-fitted mudguards, lighting systems, and heavy-duty rear pannier racks.
2027 Model Tier Comparison: Which One is Right for You?
1. Cube Reaction Hybrid Performance (The Entry Point)
Designed for leisure riders, fire-road explorers, and everyday commuters looking for rock-solid reliability without breaking the bank.
• Key Components: Coil-sprung 100mm suspension fork and a reliable Shimano 9-speed drivetrain.
• Battery Setup: Powered by a 500Wh or 600Wh Bosch PowerTube battery.
• The Verdict: The most affordable way to get a genuine, Bosch-powered Cube mountain bike. Best for light off-roading, canal paths, and urban utility.
2. Cube Reaction Hybrid Pro 800 (The Sweet Spot)
The undisputed bestseller of the range, striking a flawless balance between serious trail capability and outstanding financial value.
• Key Components: Upgraded to a highly responsive RockShox Recon Silver RL Air 120mm fork, powerful Shimano 4-piston hydraulic disc brakes, and a smooth Shimano XT 12-speed rear derailleur.
• Battery Setup: Houses a colossal 800Wh Bosch PowerTube battery for epic all-day range, plus a factory-fitted remote dropper seatpost.
• The Verdict: The absolute sweet spot for enthusiast mountain bikers. It gives you true trail-taming suspension and top-tier shifting components under £3,000.
3. Cube Reaction Hybrid Race 800 (The Trail Performer)
Engineered for riders hitting steeper, faster, and more technical terrain who demand razor-sharp handling and ultimate control.
• Key Components: Steps up to a premium RockShox Judy Silver TK Air fork and a flawless, heavy-torque Shimano XT 12-speed groupset.
• Battery Setup: High-capacity 800Wh battery controlled by the upgraded, crisp Bosch Kiox 300 color display mounted centrally over the stem.
• The Verdict: Built for the rider who prioritizes advanced cockpit metrics, premium shifting under load, and a plusher front-end feel on fast singletrack.
4. Cube Reaction Hybrid SLX 800 (The Premium Hardtail)
The pinnacle of Cube's hardtail e-MTB engineering, leaving absolutely no room for component compromise.
• Key Components: Elite-level Fox 34 Float AWL Rhythm e-bike optimized air fork, high-power Magura MT Thirty hydraulic brakes, and a top-shelf Shimano XT drivetrain.
• Battery Setup: Maximum capacity 800Wh Bosch setup with fully integrated premium cockpit controls.
• The Verdict: The ultimate luxury trail build. The Fox suspension and Magura brakes offer unmatched tracking, stiffness, and stopping power for aggressive trail riding.
Why Buy Your 2027 Cube from Damian Harris Cycles?
Getting your e-bike from a dedicated local dealer ensures peace of mind long after you roll out of the shop. At Damian Harris Cycles in Cardiff, we provide:
• Certified Bosch Technicians: Every bike receives a full electronic diagnostic check and the latest firmware updates before delivery.
• 0% Finance Packages: Spread the cost of your 2027 e-bike into manageable, interest-free monthly payments.
• Cycle to Work Schemes: Save hundreds of pounds by utilizing tax-free workplace cycling initiatives.
Visit our Cardiff showroom at 57 Merthyr Road, Whitchurch to speak with our experts or order online today!
Cube Reaction Hybrid model features
Model Tier Fork Type & Travel Drivetrain Braking System Bosch Battery & Display Best For
Performance SR Suntour Coil (100mm) Shimano 9-Speed Shimano Hydraulic Disc 500Wh/600Wh / Purion 200 Commuting & light leisure paths
Pro 800 RockShox Recon Air (120mm) Shimano XT 12-Speed Shimano 4-Piston 800Wh / Purion 200 True trail riding & best overall value
Race 800 RockShox Judy Air (120mm) Shimano XT 12-Speed Shimano 4-Piston 800Wh / Bosch Kiox 300 Tech trails & data-focused riders
SLX 800 Fox 34 Float Rhythm (120mm) Shimano XT 12-Speed Magura MT Thirty 800Wh / Bosch Kiox 300 Premium trail performance & maximum control
