E-Bike Key Specs
Battery
Bosch 800Wh
Display
Bosch Purion 200
Motor
Bosch CX Gen 5
Range
30-170 miles
E-Bike Highlights
WHO IS THIS BIKE
SUITABLE FOR?
The 2025 Cube Reaction Hybrid Race 800 is a ground breaking model for 2025, featuring a new frame design, a powerful 85Nm motor, and an 800Wh PowerTube battery. It surpasses the Pro model with upgraded specifications, including high-performance brakes, advanced gears, and enhanced suspension for superior handling on challenging trails.
A notable new addition for 2025 is the factory-installed dropper post, providing greater adjustability and comfort on technical descents. This e-MTB combines these cutting-edge features to offer outstanding performance and versatility, making it ideal for serious riders seeking top-tier capability. With its upgraded components and innovative features, the Reaction Hybrid Race 800 stands out as a premier choice for high-performance off-road biking.
Our 5 point review...
1
Lightweight hydroformed alloy frame
2
Up to 170 miles of range from the Bosch 800Wh Powertube battery
3
12 Speed Shimano XT Gearing
4
Latest Generation 5 Bosch Performance CX motor with 85Nm torque output
5
Simple, easy to use Bosch Purion 200 Smart System remote
Features
Top-tier performance, mid-tier pricing...
The 2025 Cube Reaction Hybrid Race 800 delivers top-tier performance with its advanced components while remaining competitively priced. Featuring the Bosch Generation 5 motor, it offers powerful torque and efficient assistance.
The 800Wh battery ensures extended range for longer rides. Equipped with Shimano XT 12-speed gearing and high-quality brakes, it provides precise control and durability. This combination of cutting-edge technology and mid-level pricing makes the Reaction Hybrid Race 800 an exceptional value for serious riders.
Fully integrated..
The 2025 Cube Reaction Race 800 features a brand-new frame designed to seamlessly integrate its advanced motor, battery, and components into one sleek, high-performance package. This innovative frame design ensures a clean, cohesive look while optimizing the placement of the Bosch Generation 5 motor and 800Wh battery for enhanced performance and balance.
The result is a streamlined, efficient setup that enhances both the bike’s aesthetics and its ride quality, offering a top-notch experience for serious riders.
Brakes & Gears
The Shimano MT420 4-piston hydraulic brakes deliver exceptional stopping power and control, ideal for demanding riding conditions. Their four-piston design provides increased braking force and modulation, ensuring reliable performance even on steep descents.
With advanced heat dissipation and robust construction, these brakes are built to withstand intense use while maintaining consistent performance. The MT420’s precise, responsive braking enhances rider confidence and safety, making it a top choice for aggressive trail and mountain biking.
Shimano 12-speed XT gears offer exceptional performance with their wide gear range and precise shifting. Designed for demanding trails, these gears ensure smooth transitions and reliable efficiency, enhancing overall ride control. Their durable construction withstands rigorous use, making them suitable for both technical climbs and fast descents.
The XT 12-speed system's advanced technology delivers consistent, responsive performance, ideal for serious mountain bikers seeking high-quality, dependable gearing for a superior riding experience.
Shimano MT420 4-piston brakes provide powerful stopping power and excellent modulation. Their robust design ensures reliable performance and heat dissipation, making them ideal for aggressive trail and mountain biking.
Shimano XT 12-speed gears offer precise shifting and a wide range, ensuring smooth transitions and reliable performance. Their durable design is perfect for demanding trails and various riding conditions.
Shimano Deore 12-speed trigger shifters provide fast, precise gear changes with minimal effort. Their ergonomic design enhances comfort and control, making them ideal for responsive, reliable shifting on any terrain.
Wheels & Tyres
Cube’s choice to use their specially designed EX30 electric mountain bike wheels underscores their commitment to high performance and durability. These wheels are engineered for e-mountain bikes, offering enhanced strength and resilience needed for rugged trails. Their design includes features like improved impact resistance and stability, crucial for handling rough terrain.
By integrating these advanced wheels, Cube ensures superior ride quality and reliability, making them a key component in their high-performing electric mountain bikes.
The Schwalbe Smart Sam 2.6" tires are designed for versatile performance, featuring a continuous central tread band that ensures fast rolling on paved surfaces, reducing rolling resistance and enhancing speed. The rugged shoulder tread provides excellent traction and stability on off-road trails, making these tires suitable for diverse conditions.
This combination of features delivers a smooth ride on urban roads while maintaining control and durability on rough terrain, ideal for adventurous riders.
The bottom line..
Each year, Cube sets the benchmark for value in the e-mountain bike market, and this year, it's even more challenging for competitors. The 2025 Cube Reaction Hybrid Race 800 raises the bar with its exceptional specifications and competitive pricing.
Combining advanced features like the Bosch Generation 5 motor, 800Wh battery, and top-quality components, it offers unparalleled performance and value, making it nearly impossible for other manufacturers to match its spec-to-price ratio.
The 2025 Cube Reaction Hybrid Race 800 excels in reliability and performance, providing a dependable riding experience with its robust construction and high-quality components. Its advanced Bosch Generation 5 motor and 800Wh battery ensure smooth, powerful assistance, while the Shimano XT gearing and brakes deliver precise control and durability.
Additionally, the bike’s design emphasizes low maintenance costs, thanks to its durable parts and efficient systems, making it a smart, cost-effective choice for serious riders.
Power
Bosch Gen 5 CX & Purion 200 eBike System
The 2025 Cube Reaction Hybrid Race 800 features the brand-new Bosch Generation 5 Performance CX 85Nm motor, delivering exceptional torque and dynamic performance for superior climbing and acceleration.
This is paired with an internal 800Wh PowerTube battery, offering extended range and consistent power throughout longer rides. The Purion 200 display provides a clear, intuitive interface for easy access to ride data and motor settings, enhancing control and navigation.
Additionally, the new Bosch eBike Flow app integrates seamlessly, offering advanced features like personalized riding profiles, detailed performance tracking, and route planning.
Together, these components ensure a high-performance, connected, and customizable riding experience, combining Bosch's cutting-edge technology with Cube's commitment to delivering a top-notch, efficient, and enjoyable biking experience on any trail.
The Purion 200 display offers a clear, full-color interface for easy access to ride data and motor settings. Its intuitive design enhances user control and navigation, improving the overall biking experience.
The Bosch Gen 5 85Nm motor provides powerful torque for exceptional climbing and acceleration. Its advanced design ensures smooth, responsive performance, enhancing overall ride dynamics and making challenging trails more manageable.
The Bosch 800Wh PowerTube battery delivers extended range and consistent power for longer rides. Its sleek, integrated design ensures optimal performance and efficient energy supply, supporting demanding trails and extended journeys.
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.
Why choose E-Bikeshop?
Specifications
General Bike Specifications
Frame Cube Aluminium Superlite Frame
Forks RockShox Recon Silver RL Air, Tapered, 120mm
Brakes Shimano BR-MT420 hydraulic disc brakes, 203mm
Shifters Shimano Deore SL-M6100-IR, Direct Mount, Rapidfire-Plus
Rear Mech Shimano XT RD-M8100-SGS, ShadowPlus, 12-Speed
Cassette Shimano Deore CS-M6100, 10-51T
Chain Shimano CN-M6100 12-Speed
Wheelset Cube EX30 Rims laced on Newmen Centerlock boost hubs
Tyres Schwalbe Smart Sam, Active, 2.60"
Handlebars Cube Rise Trail Bar, 35mm
Stem Cube Performance Stem E-MTB, 35mm
Headset ACROS AZF-1034, ICR
Seatpost Cube Dropper Post, 31.6mm
Saddle ACID Sequence Pro 160
Weight 24.3 Kg
Electric Bike Specifications
Battery Bosch PowerTube 800Wh, with BMS Management
Display Bosch Purion 200
Motor Bosch Drive Unit Performance CX Generation 5 85Nm 250W
Range 30-170 miles of power assisted range, depending on terrain
Downloads
E-Bikeshop's top alternate picks
FAQs
Yes we offer a range of finance purchase options. These vary from 0% short term, right through to longer term loans on a % APR.
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.
You can see what sizes this model is available in at the top of this page. Sizes are listed in centimeters and also specified S, M, L etc.
Some models have more available sizes than others. Whilst some bikes are only available in a 'one size fits all'.
Next to the size options at the top of this page, click 'Find my size'. Enter your inside leg measurement along with your arm length and height (in cm). Our special size calculator will show you what size you need to order. These are displayed in S, M & L etc to correspond with the size options.
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.
Yes we have quick and simple ways to process all the major Cycle to Work schemes. These include: Cyclescheme, Green Commute Initiative, Halfords Cycle 2 Work, E-Bike to Work Scheme, Vivup, Bike 2 Work Scheme, Cycle Solutions and Caboodle.
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.
You can view the stock status of any model/variant by selecting it at the top of this page. It will show you one of three stock status:
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, its 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'.
If you're placing a pre-order using the deposit option (instead of paying in full), it's not possible to add further items to your cart alongside the bike. Please get in touch once your pre-order is placed and we'll be happy to add any extras that you may require.
Yes, you may wish to collect your new electric bike from our HQ based in Farnham, Surrey. If so please select 'Collect in store' at the checkout.
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.
If colour options are available, these will show below the size options at the top of this page. It's best to choose your size first and then click on each colour option to check its availability in that size.
Not all of our electric bikes have colour options available.
At e-bikeshop we work by appointment only, so we can talk to each customer on an individual basis to give the best advice possible.
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.
Delivery for UK 'In Stock' items ordered before 1pm should be expected for delivery the next business day (this excludes weekends and public holidays).
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.
Yes, we exclusively offer 14 days free insurance on all of our new electric bike purchases. This is for UK orders only. Simply select to opt-in to the 14 days free insurance in the cart.
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.
Reviews
"WOULD RECOMMEND"
Very nice bike extremely well built smooth gear changes and quiet bosch gen 4 motor. I got this bike from EBIKESHOP.CO.UK spoke to a man called Martin through e-mail and on the phone very helpful would recommend this site!
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