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Cube Stereo Hybrid 120 Pro 625 2021 Bosch

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Who is this bike suitable for?

The new Cube Stereo Hybrid 120 Pro 2021 is built around every day trail biking, be it light single track, forest paths or cross country. With the PowerTube battery (in a 500Wh or 625WH version) and 120mm of full suspension travel it's a good all rounder.

Sadly, this popular bike is now sold out but you can find the 2022 version 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.

New Features

A trail spec and travel bike with PowerTube Bosch 500Wh (with a 625Wh option for only £200!) and Performance CX motor. We welcome the Stereo 120 Pro.

Cube have equipped the 2021 Stereo 120 Pro with the RockShox Deluxe Select rear shock which neatly pairs top end control with user friendly adjustment options. Its latest Maxima Plush damping fluid reduces internal friction to ensure completely smooth operation.

The Debonair air spring offers an almost coil-like easily tune-able and consistent feeling shock, with rider weight adjustment made via the built in air valve.

Couple this with the RockShox Recon fork upfront which like the rear is also air adjustable to the riders weight/preference. 

This 'eMTB Approved' fork ensures ultimate stiffness where eMTB demands are tougher.

RockShox Rear Shock on Cube Stereo 120 Pro 2021

Cube have spec'd the Stereo 120 Pro 2021 with Shimano's Deore hydraulic disc brakes. These offer solid performance with easy reach adjustment. Paired with 180mm discs front and rear offer plenty of bite and modulation making them a great all rounder.

Shimano Deore Brakes on Cube Stereo 120 Pro 2021

You can be sure they'll stop you as quickly as you accelerate on this eBike. The front brake (where 70% of your stopping power comes from) is a twin pot calliper for double the breaking force. The rear brake is a single pot calliper. 

The Cube Stereo 120 2021 grips the trail with 2.6" Schwalbe Smart Sam tyres. The Smart Sam's have a centre bead for fast rolling and then more resilient grip around the outside for stickier terrain offering the best all-rounder.  

The 29+ tyres give a wider footprint, whilst running lower pressures to offer superb cushioning & all round trail comfort.

Cube have used their own factory rims onto the Stereo 120 Pro for 2021 with Shimano boost hubs and 29" rims. These 30mm wide rims offer an excellent tire profile for wider tires.

Cube has designed the Stereo 120 Pro to be thoroughly up to date for 2021, with internal routing for all cables including the option for a stealth dropper post. The integrated PowerTube battery is protected by a metal battery cover for additional protection and the frame even has water bottle boss mounts on the downtube for those longer rides. 

The Cube Stereo 120 Pro 2021 features the Sram NX Eagle 12-Speed drive train.

The latest X-HORIZON derailleur design reduces chain slap and shifting force to offer a silky smooth and reliable setup.

SRAM's latest derailleurs utilise an internal Type 3 roller clutch bearing for a smoother torque curve and reduced movement over rough terrain, while offering smooth and much lighter shifting from the bars. 

The SRAM PG-1210 Eagle 11-50t cassette is one of the widest ratio choices of any cassette designed for eMTB use. At the very top, you have the unparalleled ability to climb absolutely anything you can point the bike at while at the bottom, you'll find absolutely no compromise on top end speed over flat ground. 

Sram NX Eagle on Cube Stereo 120 Pro 2021

The Cube Stereo 120 will be popular for many looking for an every day XC trail bike, with keen pricing with a well thought out spec. Cube Stereos are also offered in two longer travel models for more aggressive riding with the Stereo 140 and Stereo 160.

Bosch InTube Battery System on Cube Stereo Hybrid 120 Pro 2021

Bosch CX & Purion eBike System

The new Cube Stereo Hybrid 120 Pro 2021 eBike features the Bosch Performance CX crank drive motor, so you can be sure it's fitted with the latest kit and setup for optimum performance. 

The 250w CX system outputs 85Nm of torque & peaks at 500w! It certainly packs a punch, it will also offer up to 340% assistance in turbo mode. Featuring 4 levels of assistance & remember you can always turn the power off and ride it as a normal bike! In addition, the new eMTB mode allows the user to set in one assistance mode and the system itself will determine the assistance offered. 

The Stereo 120 Pro features new 'PowerTube' 500Wh battery (or 625WH version) which is completely integrated into the frame. Cube have neatly designed it so it can be charged both on & off the bike. 

For 2021 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. 

Read more in depth articles about the Bosch eBike system on our Blog information pages.

Whats included?


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.

Warranty support on the Cube Stereo Hybrid 120 Pro 2021

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.

Free Electric Bike Insurance Cover

FREE 14 Days Electric Bike Cover

We've exclusively teamed up with Bikmo to offer 14 days free electric bike insurance when you purchase your new electric bike with

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

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General Bike Specifications


Cube Aluminium Superlite Frame


RockShox Recon Air RL, 120mm, eMTB

Rear Shock

RockShox Deluxe Select, Rebound Adjust, Trunnion mount


Shimano BR-MT420/MT400 Hydraulic disc brakes, 203/180mm Rotors


Sram SX Eagle, Single Click, 12-Speed

Rear Mech

Sram SX Eagle, 12-Speed


Sram PG-1210 Eagle, 11-50T 12-Speed


Sram SX Eagle 12-Speed


Cube EX30 Rims laced on Shimano Boost Centerlock hubs


Schwalbe Smart Sam 29" x 2.6


Newmen Evolution SL, 760mm, 31.8mm


CUBE Performance Stem E-MTB




CUBE Performance Post, 30.9mm


Natural Fit Sequence


24.7 kg

Electric Bike Specifications


Bosch PowerTube Lithium Ionen 36 Volt, 500/625Wh


Bosch Purion Display


Bosch Performance CX 36 Volt, 250 Watt. 60 - 340% Assist, 85Nm


30-160 miles of power assisted range, depending on terrain

Further Information


The most frequently asked questions on this eBike -

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 Stereo Hybrid 120 Pro 2021 is available in frame sizes - 40cm (16"), 45cm (18") & 55cm (22"). 

Note the 40cm frame size is with 27.5" Wheels. Whereas the other sizes are with 29" wheels. 

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 Stereo Hybrid 120 Pro 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?

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. 

If you cannot find the answer you are looking for, please do not hesitate to get in touch.
Remember you can find a full F.A.Q on general electric bike & website questions by clicking here.

The following links will open PDF files in a new tab -


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

Cube Bike Manual - Cube Bicycle Handbook Manual

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Finance Options

The prices below do not include any additional products, product options or shipping costs.
To pay by finance select the finance option during the checkout process.
Finance is only available for UK residents.

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The above values are best estimates, Final pricing will be confirmed on the V12 Retail Finance application. The UK Electric Bike Company Ltd is registered in England and Wales 08775019. Registered office: 12 Borelli Yard, Farnham, Surrey, GU9 7NU. The UK Electric Bike Company Ltd acts as a credit broker and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. The UK Electric Bike Company Ltd is authorised and regulated by the Financial Conduct Authority. Our firm reference number is 659966. Credit provided subject to age and status.