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Orbea Gain D20 2021 Alloy Ultegra Electric Road Bike

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Stock Availability

The 2021 Orbea Gain D20 electric road bikes are sadly no longer available, but you can find the 2022 model here. The Orbea Gain models were drastically overhauled 2021, and remain identical for the 2022 model year. 

Who is this bike suitable for?

The 2021 Orbea Gain D20 is the top model in the Gain line-up from e-Bikeshop. The D20 offers premium componentry and a highly competitive price point and is a great value electric road bike whether you're a new rider entering the market on a bike with room to grow into it, or have tens of thousands of miles on your Strava account already. The Gain range, with its "Enough Energy" concept is designed to improve but not take over your ride. Lightweight, highly nimble and effortlessly rideable, the New Orbea Gain D20 is a bike which "heeds the call of the open road".

 I have been riding the bike for a few weeks now and it's a real joy. Feels very like a normal road bike and the extra weight is not noticeable when on the move. Freewheeling is as per a normal bike with no drag from the transmission.

New Features

Along with the rest of the Gain range, the price of the 2021 Orbea Gain D20 has increased slightly over last year, but not without very good cause - the model has been dramatically overhauled for the new 2021 model year and offers exceptional value. 

A brand new frame design while retaining the previous well proven geometry sees subtle changes to the hydroformed alloy tubing shape - increasing aerodynamic efficiency while shaving a little more weight from this already very light road eBike. 

Shimano Ultegra Groupset on Orbea Gain D20 eBike 2021

Along with a new headset design to fully integrate the gearshift cables and brake lines, Orbea have also designed a brand new integrated daytime running light directly into the base of the stem, now compatible across the full Gain and Vibe range. This is complemented at the rear of the bike with a bright but aesthetically unobtrusive tail light built into the seat tube and runs directly from the eBike battery system.

The 2021 Gain D20 also benefits from a newly designed full carbon front fork set up. A lightweight and agile bike that can be ridden both on power and fully disengaged off power. The visuals are so subtle that you'd find it hard to notice it's even a power assisted bike.  Simple, subtle and embracing....

The D20, being at the top end of the specification level for the Gain range comes with a complete Shimano Ultegra group set. Ultegra twin chain ring cranks, Ultegra R8000 rear derailleur and cassette, ST8020 shifters and R8070 brakes make up this competition capable 22spd set-up.

Power On Demand

The IWOC One system on the Orbea Gain D20 sees the power and status button mounted completely flush in the top tube next to the stem for ease of access. This "one button for all" system is used for turning the bike on and off, cycling through power modes, displaying current power mode while also offering an at-a-glance visual of the remaining battery power.

The Ebikemotion X35 system used to power the Gain D20 models is directly compatible with their own app. 

Turning your mobile device into a high tech cycle computer, it provides an instant readout of key information from both the bike and your own input. It also records your activity and can be linked to heart rate monitors and GPS for full performance tracking. 

You can download the iOS version here, and the Android version here

Orbea Gain Road eBike Smart Phone App

Hidden Power

Normally, the most noticeable component on an eBike is the Battery, but this isn't the case on the Orbea Gain models. Seamlessly integrated into the downtube, the 248Wh internal battery on the 2021 Orbea Gain D20 is hidden from view to provide a totally integrated and aesthetically immaculate look. 

Built with Orbea's "Enough Energy" philosophy at the forefront of the design process, only by shaving off unnecessary weight by doing away with bulky components makes this level of integration possible.

The lightweight, hydroformed alloy frame and newly designed full carbon front fork on the Orbea Gain D20 2021 offer a smooth, comfortable yet playfully nimble ride.

Combined with a Selle Royale Asphalt saddle and shock proof bar tape, the frame offers a comfortable ride, regardless of how many miles you plan to cover. 

The Shimano Ultegra M8070 hydraulic disc brakes ensure you can come to a stop just as quickly as you accelerate on this eRoad bike.

Shimano Ultegra Disc Brakes on Orbea 2021 Gain D20 eBike

Ebikemotion X35 Motor

The latest Mahle Ebikemotion drive system offers smooth and reliable assistance to enhance and improve on your own ride but without dominating it. Orbea's Torque Simulation Algorithm directly mirrors the rider input to provide maximum power when you need it, but preserves range when you're spinning freely.

Lightweight Ready GR alloy rims from Blackjack are agile but strong, wrapped with fast rolling Hutchinson Fusion 5 All Seasons road tyres.

The Orbea Gain D20 2021 is built with maximum clearance, giving a huge choice of tyres of up to 40c width.

Orbea Gain D20 2021 Road eBike Airline Corsa Wheels

Range Extender

The 2021 Orbea Gain D20 is designed for all day epics, but some days demand even more from you. The optional Range Extender offers more miles, more hills and more achievements. The completely unique and patented range extender provides an additional 208Wh on top of the internal 248Wh battery, bringing total capacity to 450Wh - a 70% boost in range and saddle time.

Compatible with all Gain D, F, and M models as well as the full 2021 Orbea Vibe model line-up, we hold limited stock of this Orbea OEM product for our own eBike customers and you can find them here.

Orbea 2021 Gain eBikeMotion X35 System

Hidden Orbea Gain X35 eSystem

Riding the bike aside, one of the best parts of the new 2021 Orbea Gain D20 electric road bikes is the completely 'hidden' eDrive system. Developed closely with eBikeMotion and Orbea at their Spanish HQ, the system is designed to amplify your ride.

Designed to not take away  from the ride but to assist your performance, the extra 40Nm from the rear hub motor allows the rider to climb bigger ascents and average a faster overall speed. 

3 Modes of Assistance - Controllable by the multi-function power button on the top tube. 

Full rider credentials are displayed in the Smart Phone (not essential) application including speed, distance travelled, altitude, battery capacity, trip time and many more. 

The smart phone app also has the functionality to pair Bluetooth heart rate monitors or simply connect your Android Wearable or iWatch to run alongside for the full sporting package.

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, charger & free follow up service within 3 months.

Warranty on Orbea 2021 Electric Road Bikes

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.

All our Orbea eBikes can benefit from a LIFETIME frame and fork warranty once online registration with Orbea is completed.

*Range is dependant on many factors inc rider weight, wind, hills, terrain etc.

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

*Pre-Order Terms: Reservations are final, deposits non-refundable & provided on a first come, first served/queued basis. Dates are predicted production times and as with all manufacturing, dates can move back and forth.

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General Bike Specifications


Orbea Gain Hydro 6061 Hydroformed Aluminium 2021


Gain Hydro carbon fork


Shimano R8070 Hydraulic Disc Brakes


Shimano ST-8020

Rear Mech

Shimano Ultegra R8000 GS


Shimano Ultegra R8000 11-32t 11-Speed


KMC X11 11-Speed


Ready GR 700c Alloy Wheels


Hutchinson Fusion 5 Performance TLR 700x30


OC2 Road, reach 80mm, drop 125mm


OC1 31.8mm interface -6º


Acros Alloy 1-1/2" Internal Cable Routing


OC 27.2 Offset 0, for integrated light


Selle Royal Asphalt GR


13.6 kg (Approx)

Electric Bike Specifications


Ebikemotion 36V 6.9A 250Wh


Built in frame power button / Smart Phone App


Ebikemotion X35


30-80 miles of power assisted range, depending on terrain

Further Information


The most frequently asked questions on this eBike -

The below questions relate to this bike. You can find a full F.A.Q on eBike & website questions by clicking here.

What sizes is this bike available in?
The Orbea Gain D20 2021 Road eBike is available in the following sizes - S 49cm, M 52cm & L 55cm.
Please Note: We intend to hold Small, Medium & Large frames in stock, other frame sizes/colour variants may need to be special ordered on request.

How do I know which frame size to order?

Height (CM)

Height (Feet)

Frame Size




160 - 170cm

5ft3 – 5ft7


170 – 180cm

5ft7 – 5ft11


180 – 190cm

5ft11 – 6ft3





On the Orbea Gain sizing chart, if you sit on the border between two sizes, we'd recommend to lean towards the smaller size.

Is this bike in stock now?
No, this bike is now SOLD OUT. You can find the new 2022 Orbea Gain D20 2022 model here. 

Are there any colour options?
Yes, The 2021 Orbea Gain D20 bike is available in the colours shown above. Please note: Some colour options may be a special order.

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 can't 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 -


Orbea eBike App User Manual - Orbea End User Application Manual

Orbea eBike System - Orbea Road eBike System Product Brochure

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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.