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Shimano e-bike spares
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Battery
Orbea RS 540Wh
Display
Shimano EN600-L
Motor
Shimano EP6
Range
30-120 miles
E-Bike Highlights
WHO IS THIS BIKE
SUITABLE FOR?
Introducing the 2025 Orbea Diem 20 – a sleek, powerful electric hybrid built for modern city life. With its clean lines, integrated lighting, and near-silent Shimano EP6 motor, the Diem 20 makes every commute effortless and stylish.
The lightweight aluminium frame combines comfort and agility, while the 540Wh battery delivers up to 100km of real-world range. Whether you're weaving through traffic or cruising along bike paths, the Diem 20’s upright geometry, wide tyres, and responsive handling keep you in control.
Fully equipped with mudguards, a rear rack, and built-in lights, it's ready for year-round riding. This is more than a bike — it’s your new way to move.
Orbea Diem 20 – power your day, own your city.
The Diem is a testament to the design team at Orbea. They set out to create the most practical urban bike going and after three years of development and testing, the Diem was finally released to the public! the fact that they released the bike and won 3 awards straight off the back of it speaks worlds!
It won the Design Award 2024, the judges said: "Simply functional and elegant for the urban setting"
It then won the Red Dot Awards, which the panel commented on: "An elegant ebike that impresses with its smart lighting system, which noticeably increases its active safety in traffic"
Finally it also won Cycling World's Product of the Year 2024, the judges said: "Diem is impressive for its overall innovative concept, its interesting frame geometry and numerous attractive details"
Orbea commented: "We can confidently and proudly say that our goal has been met and our debt has been paid. Diem is the Orbea product that has earned the most recognition in the shortest amount of time. Proof of this is these awards"
Our 5 point review...
1
Lightweight and rugged alloy frame
2
Internally mounted 630Wh battery
3
Maintenance free Gate belt drive and 5 speed hub gearing
4
Compact but powerful Shimano 85Nm EP600 motor
5
Easy to use Shimano EN600 display and control system
Features
The 2025 Orbea Diem 20 showcases beautifully integrated design, where every component blends seamlessly into the frame. Cables are fully internal, running through Orbea’s own FlexTech headset, which not only keeps the bike clean and clutter-free but also absorbs vibrations for a smoother ride.
The lights, battery, and display are all subtly built in, maintaining a sleek, modern look. It’s urban riding, refined — with every detail designed for comfort, performance, and understated style.
Brakes & Gears
The Shimano MT201 hydraulic disc brakes on the Orbea Diem 20 offer reliable, consistent stopping power in all conditions. Whether you're riding through city traffic or wet weather, these brakes deliver smooth modulation and confident control with minimal effort.
Designed for everyday use, they’re low-maintenance, durable, and trusted by riders around the world. With a comfortable lever feel and proven Shimano performance, the MT201 brakes ensure you stop quickly, safely, and smoothly — every time.
The Gates Carbon Belt Drive paired with the Shimano Nexus 5-speed hub delivers a smooth, silent, and virtually maintenance-free riding experience. Unlike traditional chains, the belt won’t rust, stretch, or require lubrication, making it perfect for everyday urban use.
The internal hub gears shift effortlessly, even at a standstill, and are fully sealed for long-term reliability. Together, they offer a clean, efficient drivetrain that’s built to handle city life with ease and simplicity.
The Shimano MT201 hydraulic disc brakes deliver smooth, reliable stopping power in all weather conditions. With consistent performance and low maintenance, they’re ideal for confident, everyday urban and commuter riding.
The Shimano Nexus 5-speed hub offers smooth, low-maintenance shifting with gears protected inside the hub. Shift anytime—even at a stop—for reliable, fuss-free performance ideal for city riding.
The Shimano Nexus 5-speed shifter delivers intuitive, reliable gear changes with a simple twist action. It's smooth, easy to use, and designed for comfortable shifting in urban environments.
Wheels & Tyres
Orbea’s choice to equip the 2025 Diem 20 with their proprietary Urban and Leisure alloy 32H wheels highlights a clear focus on performance, comfort, and everyday reliability for city riders.
Engineered for strength and lightness, these wheels strike the ideal balance between durability and agile handling—perfect for navigating busy streets and urban terrain. By using their own wheel design, Orbea guarantees seamless integration, boosting efficiency and control to deliver a refined, high-quality riding experience.
Schwalbe Marathon tyres are purpose-built for the demands of electric bikes, delivering outstanding durability, puncture protection, and all-weather grip. Their versatile tread handles both road and light off-road terrain with ease, offering a smooth, efficient ride on a wide range of surfaces.
A reinforced casing and high-quality rubber compound provide excellent stability and control, making them perfect for long commutes or extended touring. Reliable, tough, and trusted — they’re ready for every mile.
The bottom line..
The 2025 Orbea Diem 20 is built for reliability and everyday ease, making it a pleasure to own and ride. With robust construction and low-maintenance components, it’s designed to keep things simple and stress-free.
Whether you're commuting daily or exploring at the weekend, the Diem 30 delivers smooth, dependable performance. Its intuitive features and thoughtful design let you focus on the ride—not the upkeep—confident that your Diem is ready for every journey, every time.
Orbea’s dedication to quality is evident in their meticulous process of hand-building and painting every bike. Skilled craftsmen oversee each stage, ensuring precise assembly and flawless attention to detail.
This hands-on approach allows Orbea to customise each bike to exact specifications, delivering the perfect fit and performance for every rider. From frame alignment to the final coat of paint, every step reflects Orbea’s commitment to craftsmanship, precision, and producing bikes of exceptional quality.
Power
The 2025 Orbea Diem 20 electric hybrid bike is powered by the high-performance Shimano EP600 motor, delivering 85Nm of torque for smooth, strong assistance that makes acceleration effortless and conquers steep hills with ease. Its 630Wh internal battery provides ample range for longer rides and daily commuting without worry.
The EN600-L remote control acts as the bike’s intuitive command center, letting riders easily adjust assistance levels and monitor essential ride data on the go.
This seamless integration of advanced technology ensures a comfortable and efficient urban riding experience. Combining power, range, and user-friendly controls, the Orbea Diem 20 embodies Orbea’s dedication to innovation, quality craftsmanship, and rider satisfaction in the electric hybrid category.
The Shimano EN600-L bar control offers intuitive, easy-to-use buttons for adjusting motor assistance levels and accessing ride data, keeping riders focused and in control without taking their hands off the handlebars.
The Shimano EP6 motor delivers smooth, powerful assistance with 85Nm of torque, offering responsive pedal support that feels natural and effortless—perfect for tackling steep hills and long rides with confidence.
The 630Wh internally mounted battery offers sleek integration, providing long-lasting power for extended rides. Its discreet placement protects it from the elements while maintaining the bike’s clean, streamlined design.
What's included
Your new Orbea electric bike gets a full set-up by our workshop technicians ahead of delivery.
Your Orbea eBike will arrive with a user manual, keys (where applicable), charger & free follow up service (at our service center) within 3 months of delivery.
Orbea electric bikes include a 3yr warranty on the frame, 2yr warranty on all the electrics and 1yr warranty on the components.
In addition Orbea eBikes benefit from a lifetime frame warranty if you register your bike online with the manufacturer, which is free to do so. In the event of a problem, we handle all warranty claims via our dedicated support in-house.
E-Bikeshop is a Orbea UK eBike Service Center and our in-house workshop is exclusively reserved for our own eBike customers. We have time to support the eBikes we sell.
Why choose E-Bikeshop?
30 Days Free Insurance
Available exclusively on all E-Bikes, opt for yours in the cart
UK's largest selection
Over 700 E-Bikes in stock ready for next business day delivery
Best support & advice
Renowned support from in house qualified E-Bike technicians
Instant parts & spares
Exclusive access to E-Bike spares in stock & delivered quickly
We're here for you
We're the specialists ready to help with your E-Bike journey
Specifications
General Bike Specifications
Frame Orbea Diem Mid Bar Alloy Frame
Forks Orbea Diem Carbon fork
Brakes Shimano MT201 Hydraulic Disc
Shifters Microshift TN71 for Nexus Inter 5
Rear Mech Shimano Nexus Inter-5
Cassette Gates CDX 34t for Shimano Inter 5e
Chain Gates CDX Belt
Wheelset Alloy, 25c, 32H
Tyres Schwalbe Marathon, 50-622, Reflective Tape
Handlebars Orbea Urban, Integrated Light, 700mm
Stem Orbea Integrated & Adjustable Stem
Headset FSA 1-1/2" Integrated Aluminium Cup
Seatpost Alloy, 31.6mm, Setback 0
Saddle Selle Royal Vivo Ergonomic
Weight 23 Kg
Electric Bike Specifications
Battery Orbea Internal 630Wh
Display Shimano Steps EN600-L
Motor Shimano Steps EP600
Range 30-120 Miles of power assisted range, depending on terrain
Downloads
E-Bikeshop's top alternate picks
FAQs
To see the estimated monthly installments on any bike, simply click the 'Find out more' button towards the top of this page. You can select the deposit amount and loan period to quickly calculate the monthly cost before proceeding to place your order.
Finance is automatically processed online at the checkout when selected, you can learn more on our dedicated E-Bike finance page.
Some models have more available sizes than others. Whilst some bikes are only available in a 'one size fits all'.
Note: You may be a particular size on one model and a different size on another model. Please use the size calculator on each model page as sizes can vary between manufacturers and models.
You can learn how to process these by clicking on any of the links above. For more information, please visit the dedicated Cycle to Work Scheme portal.
In Stock: In stock now and available to order for immediate delivery
Pre-Order: Available to pre-order with estimated date of arrival shown
Sold Out / Out of Stock: The model is completely sold out in this variant and no longer available to order
If this bike is showing as Out of Stock in your size, it's worth checking if there's colour options as the same model and size may be available in a different colour. Failing that, we also offer a handy link to 'View similar bikes in this size'.
We will then prepare your new eBike and be in touch to book a suitable collection day/time.
One of our experts is on hand to help you set up the correct position on your new eBike along with answering any questions that you may have.
Not all of our electric bikes have colour options available.
We can talk you through your requirements, riding style and offer expert advice as to which model to select.
We generally keep over 150 eBikes built in our showroom. Note: Some models shown as 'Pre-Order' may not be in the showroom to view as the bike is still due from the supplier. We can also give you the opportunity to ride a similar electric bike so you can get a feel for how electric bikes work prior to purchase.
Should you wish to purchase, we give the option to take it away that same day (subject to stock) with any extras fitted and a handover session on the bike itself by one of our eBike experts.
You can learn more on our E-Bike delivery page. International buyers can view international delivery times.
For delivery on 'Pre-Order' items, the estimated arrival date is shown at the point of order. On arrival our team will make contact to settle any outstanding balance. Once settled in full, we'll then proceed to dispatch your new eBike without delay.
This not only covers for theft, but also covers you for public liability, breakdown, accessories, accidental damage and returning home cover. You can learn more on the dedicated electric bike insurance page.
Reviews
"FANTASTIC CUSTOMER SERVICE"
Fantastic customer service. The bike arrived safely packaged. Front wheel on, handlebars and seat sorted very quickly. Charging Now started so I had time to read the manual. The bike looks absolutely amazing. Thank you for all your help.
STEVEN - Read more reviews
E&OE
