30 - 160 Power
30 - 160 Power
Bosch 250w Perf CX
Gen 4 85Nm / Purion
up to 15 mph
The most popular hard tail mountain bike of 2020 is back! The 2021 Cube Reaction Hybrid Pro 625 is set to be one of the fastest selling bikes of the new model year. At only £2,499 but sporting the latest and most powerful Bosch Generation 4 CX motor with a newly increased 85Nm of torque, a revised eMTB mode and their largest 625Wh battery, this is a mid range specification bike at an ultra competitive, entry level price.
Sadly, this popular bike is now sold out, but you can find the 2022 model here.
I was skeptical I could ascend a local very steep hill sitting down but I did and in torrentially wet conditions. The ability to have traction and ‘accelerate’ through hairpin bends whilst ascending is unique, as is the lower center of gravity which feel much safer and more controlled on steeper descents. All in all it is an amazing piece of kit.
With the newest Generation 4 Bosch Performance CX System and a 625Wh battery, The Cube Reaction Hybrid Pro 625 is ready to take you much further 2021.
Equipped with Schwalbe's large volume 2.6" Smart Sam Active tyres, the new Reaction Hybrid Pro is set up perfectly for riders who find themselves fre quently switching between tarmac and dirt and they perform effortlessly on both.
The innermost section features a continual tread band for low rolling resistance on tarmac, while the shoulders of the tire have wider spacing and more aggressive tread to optimise off road grip during cornering and braking.
With the larger volume of Plus size tyres, they can be run at higher pressures for faster rolling and lower resistance on road, or alternatively at lower pressures for comfort and a wider footprint to improve grip when off road.
Suntours XCM34 coil front fork helps to soak up the rough terrain, keeping the steering precise. These feature a 15mm axle for improved stiffness and preload adjustment.
Cube have spec'd the Reaction Hybrid Pro 625 2021 with Shimano's MT200 hydraulic disc brakes. These offer solid performance with easy reach adjustment. These paired with 180mm discs front and rear offer plenty of bite and modulation making them a great all rounder.
You can be sure they'll stop you as quickly as you accelerate on this eBike. Minimal maintenance and fuss.
Aside from changing the brake pads from time to time you can fit & forget.
Cube have used their own 29" EX30 factory rims onto the Reaction Hybrid Pro for 2021 with Shimano boost hubs. These 30mm wide rims offer an excellent platform for an ever increasing range of extra width off road tyres.
The wider boost hubs improve the bracing angle for the wheel spokes, improving wheel strength and stiffness.
Cube have designed the Reaction Hybrid Pro 625 to be thoroughly up to date for 2021, with fully internal routing for all cables including the option for an optional stealth dropper post. The Bosch PowerTube 625Wh battery has been mounted inside the frame to further protect it while enhancing the frame aesthetics.
The 2021 Cube Reaction Hybrid Pro 625 eBike is equipped with Shimano's new SRAM SX Eagle 12-speed groupset.
The SRAM SX setup with their 11-50t rear cassette offers an almost unparalleled and ultra wide ratio range.
This incredibly wide ratio gearing allows riders to not only ascend some of the steepest inclines imaginable, but also doesn't limit top end speed on flat ground. The SX Eagle shifter is, responsive, positive and crisp, allowing you to simply focus on the ride.
If the unbelievable success of the 2020 model is anything to go by, the 2021 Cube Reaction Hybrid Pro 625 will be popular for any rider of any skill level looking for an every day XC trail bike. With incredibly keen pricing and a very well thought out spec list, the new Hybrid Pro will be the bike to beat out on the trails.
The new Cube Reaction Hybrid Pro 2021 eBike features the very latest Generation 4 Bosch Performance CX crank drive motor
Coming with the very latest Bosch update, the 250w CX system now provides 85Nm of torque & peaks at 500w! It packs a punch, and will offer up to 340% assistance in turbo mode. Featuring 4 levels of assistance, the new eMTB mode allows the user to set in one assistance mode and the system itself will determine the assistance offered.
The Cube Reaction Hybrid Pro 625 2021 features the latest and largest capacity Bosch 625Wh battery technology for 2021 and is located inside the down tube for security and to improve frame aesthetics.
As with previous generations, Cube have equipped the Bosch Purion display, a revised smaller dash that offers quick vision of essential parameters whilst occupying a minimal amount of cockpit space and not distracting attention.
You can read more in depth articles about the Bosch eBike system on our Blog information pages.
This electric bike comes fully set-up by our workshop technicians. You can be sure that every aspect of the eBike has been dialled in for optimum performance. All our electric bikes arrive with a user manual, keys, charger & free follow up service within 3 months.
Our electric bikes also include a 5yr warranty on the frame, 2yr warranty on all the electrics & 1yr warranty on the components. In the event of a problem, we handle all warranty claims in-house. We can also offer worldwide support for customers further afield using a laptop or PC connected to the internet, combined with our diagnostic equipment.
E-bikeshop is a UK Bosch Electric Bike Service Center and our in house workshop is now exclusively reserved for our own eBike customers. We also have parts / spares to hand should they be required.
*Range is dependant on many factors inc rider weight, wind, hills, terrain etc. For a better estimate, please use our range calculator.
*Pre-Order Terms: Reservations are final, deposits non-refundable & provided on a first come served, queued basis. Dates are predicted productions times and with all manufacturing dates can move back and forth. Specifications can change and images are artists impressions.
We've exclusively teamed up with Bikmo to offer 14 days free electric bike insurance when you purchase your new electric bike with e-bikeshop.co.uk.
You'll be covered for eBike theft, accessories, crash damage, clothing/headgear, accidental damage, public liability and Bikmo will even cover the cost of getting you home as a result of damage or theft.
The perfect package to get you started with your new eBike without the need for any worry or hassle. Of course, you'll have the no obligation option to continue your insurance over after the initial period.
To get this exclusive special offer, simply tick the checkbox in the checkout.
*You must meet all of the standard Bikmo eligibility criteria and understand the Bikmo locking requirements. You can find this info on the dedicated page here.
Cube Aluminium Superlite Frame
SR Suntour XCM34 Coil, 100mm, Lockout
Shimano BR-MT200 hydraulic disc brakes, 180mm Rotors
Sram SX Eagle, Single Click, 12 speed
Sram SX Eagle, 12 speed
Sram PG-1210 Eagle, 11-50T
Sram SX Eagle
Cube EX30 29" Rims laced on Shimano Centerlock boost hubs
Schwalbe Smart Sam, Active, 2.60"
Cube Rise Trail Bar, 720mm
Cube Performance Stem E-MTB, 31.8mm
Cube Performance Post, 30.9mm
Natural Fit Sequence
Bosch PowerTube Lithium Ionen 36 Volt, 625Wh, with BMS Management
Bosch Purion Display
Bosch Performance CX 36 Volt, 250 Watt. 60- 340% Assist, 85Nm
30-160 miles of power assisted range, depending on terrain
These questions relate to this bike. You can find a full F.A.Q on general eBike & website questions by clicking here.
What sizes is this bike available in?
The Cube Reaction Hybrid Pro 625 2021 is available in frame sizes - SOLD OUT.
Is this bike in stock now?
The stock status is shown at the top of this page next to the price. If the stock level is shown as 'Pre-Order' this means it is a new model arriving soon, you can see an expected date at the top of each bike description.
Are there any colour options?
The Cube Reaction Hybrid Pro 625 2021 bike is held in stock in the colour shown. However we may be able to order alternative colours on request, subject to availability.
Where can I find a geometry chart of this bike?
You can find the geometry chart of each bike by clicking on the 'Downloads' tab of each bike.
Where is this bike made?
MADE IN GERMANY
Can I try the bike before I buy?
Yes of course, you can visit, we can talk you through your riding style and requirements and offer expert advice as to which model to select. We will be able to advise particular eBikes and talk them through in more detail. We also give you the opportunity to ride crank drive bikes so you can get a feel for them prior to purchase.
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. If you like the bike, you have the option to take it away there and then with any accessories selected fitted and a full fitting session on the bike itself. We ask you to go for a short ride on the bike to make sure you are happy with the setup and also able to answer any operational questions you may have.
Bosch CX eBike System Overview - Bosch CX Performance System Product Brochure
Bosch eBike User Manual - Bosch eBike Performance CX User Manual
Bosch eBike Purion Display Manual - Bosch Purion Display User Manual
Geometry Chart - Cube Reaction Hybrid Pro 600 2021 Frame Geometry Chart
Cube Bike Manual - Cube Bicycle Handbook Manual
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