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Cube Stereo Hybrid 140 HPC SL 625 2021 Bosch

£4,299.00 Sold Out

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Who is this bike suitable for? 

The brand new 2021 Cube Stereo Hybrid 140 HPC SL is a step up from the 140 HPC Race and is set to be every bit as popular as its previous incarnation. 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. Driven by Bosch's latest Generation 4 Performance CX motor and a newly increased 85Nm of torque, a lightweight monocoque carbon frame and 29" wheels, the 2021 Cube Stereo 140 models are a super capable bike for aggressive trail carving and fast descents, with a playful ride and handling capable of tackling almost any terrain!

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

The 2021 Cube Stereo 140 HPC SL features the Fox Factory Float DPS EVOL rear shock. Their most advanced mid-tier all-trail shock, its performance at its price point is unrivalled. 

Adjustment is made via the 3 position lever, easily reached on the move and switchable between Open, Medium and Firm Modes. Aced the climb and ready to hit the downhill stuff? Just flick the switch to Open and unleash 140mm of plus, trail gripping travel.

At the front of the bike, the 2021 model gets a set of super smooth Fox 34 Rhythm forks with Sweep Adjust GRIP damper. 

Fox Float DPS EVOL Shock on Cube Stereo 140 HPC SL 2021 eBike

C62:Monocoque Carbon Frame

Building a frame that effortlessly blends the performance of an enduro model with the advantages of a Bosch e-bike is tricky, but Cube didn't let that stop them advancing their offering in 2021. The 2021 Cube Stereo 140 HPC SL again features a carbon main frame and alloy rear triangle with their modular battery system and Bosch motor completely integrated into the frame and down tube. 

The shockproof 2-component battery cover reliably protects the battery and is removed with a simple button press. The frame comes with mounting points for a bottle cage in easy reach on the top of the downtube. 

Following in the footsteps of the 2020 model the 2021 Cube Stereo 140 HPC SL ships with Shimano XT hydraulic disc brakes, using the M8120 four pot calliper both front and rear for high modulation and stopping. These are paired with 203mm rotors both front and rear for excellent initial bite early in the lever stroke, with the short XT levers offering easy and tool free reach adjustment.

Shimano XT M8120 Brakes on Stereo  140 HPC SL 2021 eBike

The M8120 brakes will stop you as quickly as you accelerate on this Cube eBike. Minimal maintenance and fuss, aside from an occasional and very simple brake pad change, they're a fit and forget item!

The 2021 Cube Stereo 140 HPC SL grips the trail with a pair of 2.6" Schwalbe Hans Dampf tyres front and rear. This matching tire combo is hugely popular amongst many riders, offering excellent grip in everything from hardpack to loose muddy ground. The 27.5+ tyres give a wider footprint, whilst running lower pressures (and more so when tubeless!) offers superb cushioning & all round trail comfort.

Cube have used their own factory rims onto the Stereo 140 HPC SL for 2021 with Shimano boost hubs and 27.5+ rims. These 35mm wide rims offer an excellent tire profile for wider tires.

A suspension overhaul aside, very little has changed on the 2021 frame. A fresh paint job and minor tweaks to an already fantastic value bike include a further integrated cable routing design with a brand new stem/headset combination for all cables now sees almost no visible cables at all.

The 2021 Cube Stereo Hybrid 140 HPC SL features the latest Shimano XT M8100 12-Speed group set.

Using Shimano's Micro Spline freehub body, the bike comes with a smaller 10t 12th sprocket on their new wide range cassette.

With a whopping 10-51t setup you'll be sure there's no climb or descent you cant tackle without sacrificing top end speed. 

The Shimano ShadowPlus clutch system ensures a stable drive train even in rough terrain with minimal chain slap for precise and quiet shifting.

Shimano XT on Cube Stereo 140 HPC SL 2021 eBike

The 2021 Cube Stereo 140 HPC SL will be popular for many looking for a reliable and capable trail bike with the bonus of being able to tackle moderately serious descents. Incredibly well equipped out the box, this is a bike designed to perform right out of the box. 

2021 Bosch CX+ Kiox on Cube eBikes

Bosch CX & Kiox eBike System

The new Cube Stereo 140 HPC SL 2021 eBike features the latest Gen 4 Bosch Performance CX crank drive motor, with a fresh software upgrade for 2021.

The recently updated 250w CX system now provides 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. 

Now common place on top spec Bosch systems, the 2021 Cube 140 HPC SL features the new Bosch 'PowerTube' 625Wh battery. Completely integrated into the frame, Cube have neatly incorporated it into their "Modular Battery System", allowing it to be charged both on and off the bike. 

The Bosch Kiox display is neat and super compact with a bright, intuitive LCD display screen. Despite it's slim design, it offers all the rider credentials in a neat and easy to read user interface. Riders can see important factors like speed, distance and battery range on the screen. The newly designed control buttons, sit to the left of the bars to allow scrolling of the centrally mounted Kiox screen.

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 SL 2021 eBike

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

Customer Reviews

Review submitted on previous model: This review is in addition to my first one.
I wanted a bike that Was good on and off piste.
Review submitted on previous model: 2020 stereo hybrid 140 HPC SL.
excellent bike and bosch 4th gen eco delivers just enough power when its demanded to allow me to do fully complete the black trails again.

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General Bike Specifications


C;62 Monocoque Twin Mould frame with Aluminium 6061 T6 Rear Triangle.


Fox 34 Rhythm, 2-Position Sweep-Adjust GRIP Damper, Tapered, 15x110mm, E-Bike Optimized, 140mm

Rear Shock

Fox Float DPS EVOL, 185x55mm, Open/Medium/Firm Mode, Trunnion Mount


Shimano XT MT-M8120 Hydraulic disc brakes


Shimano Deore SL-M6100-I, Direct Attach, Rapidfire-Plus 12-Speed

Rear Mech

Shimano XT RD-M8100-SGS, ShadowPlus, 12-Speed


Shimano Deore CS-M6100, 10-51T 12-Speed


Shimano CN-M6100


Newmen Evolution SL E:30 TR


Schwalbe Hans Dampf, Addix Soft, Super Trail, Tubeless Easy, 2.60"


Newmen Evolution SL 318.25, 760mm


CUBE Performance Stem E-MTB, 31.8mm




CUBE Dropper Post


Natural Fit Venec


24.8 kg

Electric Bike Specifications


Bosch Powertube 625Wh 36v


Bosch Kiox


Bosch Drive Unit Performance CX Generation 4 (85Nm) Cruise (250Watt)


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 SL 2021 is available in sizes - 45cm (18").

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?
No, the Cube Stereo 140 HPC SL 2021 bikes are available only in the colourway shown.

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 Manual - Cube Bicycle Handbook

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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.