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Cube Stereo Hybrid 140 HPC Race 625 2021 Bosch

£3,799.00 Sold Out

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Who is this bike suitable for?

The brand new 2021 Cube Stereo Hybrid 140 HPC Race is set to be every bit as popular as its predecessor. Built for all types of trail riding whether single track, cross country or all mountain, its specification against a keen price point make it an outstanding value bike against any competitor. Driven by Bosch's latest Generation 4 Performance CX motor and a newly increased 85Nm of torque, a light weight carbon fibre frame and 29" wheelset, the 2021 Cube Stereo 140 models are an infinitely capable bike for aggressive trail riding and fast descents, with a playful ride and handle capable of tackling a wide range of terrain. 

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.

New Features

The 2021 Cube Stereo Hybrid 140 HPC Race uses the Generation 4 Performance CS motor, Bosch's most powerful motor to date. This is fed by their PowerTube Bosch 625Wh battery and controlled by the Purion display.

Cube have equipped the Stereo 140 HPC Race with the Deluxe Select rear shock from Rockshox. New Maxima Plush damping fluid has been used to reduce internal friction, ensuring smooth operation over any terrain.

Ready to be more adventurous? Simply open it up the lockout on the forks and shock to unleash the full potential of this 140mm travel bike. 

The Debonair air spring rear schock offers a highly tune-able and consistent feel to your ride and which can be adjusted for the riders weight. Up front Cube had equipped the Rockshox 35 Silver fork. 

The 35mm chassis of the Rockshox 35 Silver forks deliver a premium look to match their performance and the rest of the bike and offer outstanding performance at their price point ad round out the comfortable ride on the new-look Stereo 140 Race. 

Rockshox Shock on Cube Stereo 140 HPC Race 625 2021

Carbon Fibre Frame

Building on the success of the 2020 version, the new 2021 Stereo 140 offers the same super smooth raw carbon finish with seamless lines and minimal decals to keep a clean look. The frame also features fully internal cable routing in keeping with the minimalist "no fuss" look. 

The Stereo Hybrid models from Cube are the most keenly priced full carbon bikes on the market. Their aggressive pricing strategy against their competitors means they continue to turn out the best value bikes on the market, without comprising on specification.

Much like Rockshox higher level forks, the 35 Silver fork can be adjusted with volume spacers to fine tune the fork progression through their travel to cater for all types of rider weight and feedback preference.

Cube have spec'd the Stereo 140 HPC Race 2021 with Magura MT Thirty hydraulic disc brakes, with 4 piston calipers on the front and rear. Combined with 203mm rotors on both the front and rear, this bike really does pull up quickly!

Shimano MT420 Brakes on Stereo 140 HPC Race 625 2021

The Cube Stereo 140 2021 bites into the trail with 2.6" Schwalbe Nobby Nic tyres. These well proven tyres are the perfect all-rounder for a bike designed with versatility in mind. 

The 29" wheels and 2.60" width tyres give a wide footprint and contact patch, allowing for running of lower tire pressures to offer superb cushioning and all round trail comfort.

Cube have used their own tubeless ready factory 29" rims on the Stereo 140 again in 2021, with Shimano boost hubs. These 30mm wide rims offer an excellent base for an ever widening range of off-road tyres.

Cube took an "if it isnt broke, dont fix it" approach to the 2021 Stereo 140 HPC and very little at all was required to maintain its dominance as a budget eMTB able to fight with many far more expensive competitors. Much of its specification is already ahead of the competition, right down to internal routing for all cables including Cube's own stealth dropper seat post. The latest 625Wh Bosch PowerTube battery is neatly and completely integrated into the frame using Cube's "Modular Battery System" - designed to securely hold the battery and keeping it rattle free. Many of its competitors are still simply hiding the battery with a plastic cover!

The secure locking assembly for the battery is hidden underneath the impact resistant cover to avoid dirt ingress.

The Cube Stereo 140 HPC Race 2021 features the Sram NX Eagle 12-Speed group set.

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

SRAM's new derailleurs use a type 3 roller clutch bearing for a smoother torque curve and much less movement over rough terrain, whilst still offering smooth and much lighter shifting from the bars. 

The SRAM PG-1210 Eagle 11-50t cassette offers one of the widest ratio choices of any cassette on the market. 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 you're still not compromised on top end speed over flat ground. 

Sram NX gears Cube Stereo 140 HPC Race 625 2020

The Cube Stereo 140 HPC Race, with its minimalist looks, super smooth frame design and outstanding value against its competition make it our most popular choice last year for riders looking for an every day trail bike. The Stereo range is really comprehensive with a model to suit all level of rider, from the 120mm travel Cube Stereo 120 HPC Race, to the Stereo 160 HPC ActionTeam, suited to the most aggressive riding. 

2021 Bosch CX+ Purion on Cube eBikes

Bosch CX & Purion eBike System

The new Cube Stereo 140 HPC Race 625 2021 eBike features the newest and most powerful Gen 4 Bosch Performance CX crank drive motor, so you can be sure it's fitted with the latest kit & setup for optimum trail performance. 

The 250w Bosch Performance CX system outputs 85Nm of torque & peaks at 500w output 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 140 also features the latest 'PowerTube' design Bosch 625Wh battery technology for 2021. Completely integrated into the frame for security and safety, Cube have cleverly designed it so it can be charged both on and off the bike. 

The 2021 Bosch Purion display is neat & compact with a super crisp resolution monochrome LCD display, showing you all of what you need at a glace, allowing you to focus on your ride. Further information is available on a rotation of screens with just a single button press. 

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 140 HPC Race 625 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 C:62 Monocoque Carbon Frame, Aluminum 6061 T6 Rear Triangle.


RockShox 35 Silver, 140mm

Rear Shock

RockShox Deluxe Select, Rebound Adjust, Trunnion mount


Magura MT Thirty, Four pot, 203mm rotors


Sram SX Eagle. 12-Speed

Rear Mech

Sram NX Eagle, 12-Speed


Sram PG-1210 Eagle™, 11-50T


Sram SX Eagle, 12-Speed


Cube EX30 Rims laced on Shimano Centerlock, Boost hubs


Schwalbe Nobby Nic, 29 x 2.60"


Newmen Evolution SL, 760mm, 31.8mm


CUBE Performance Stem E-MTB, 31.8mm




CUBE Dropper Post, 31.6 mm


Natural Fit Venec


24.5 kg

Electric Bike Specifications


Bosch PowerTube Lithium Ionen 36 Volt, 625Wh


Bosch Purion


Bosch Performance CX 36 Volt, Gen 4, 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 140 HPC Race 625 2021 is available in 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 Stereo Hybrid 140 HPC Race 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?

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 eBike Kiox Display Manual - Bosch Kiox 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.

Finance Options
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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.