Orbea Diem 30 (2025)
Orbea Diem 30 (2025) - Spaceship Green / L is backordered and will ship as soon as it is back in stock.
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Sizing Chart
Sizing Chart
Sizing and Geometry
Orbea Diem
Sizing chart to be used as a reference only. The best way to determine your size is to visit us in-store and get fitted.
| Size | Rider Height (cm) |
|---|---|
| S | 153-172cm |
| M | 164-183cm |
| L | 176-195cm |
| XL | 187-204cm |
Geometry

| Measurement | SM | MD | LG | XL |
|---|---|---|---|---|
| Wheels | 29″ | 29″ | 29″ | 29″ |
| Stack (mm) | 601 | 625 | 649 | 673 |
| Reach (mm) | 422 | 438 | 454 | 470 |
| Stack/Reach Ratio | 1.42 | 1.43 | 1.43 | 1.43 |
| Top Tube Length (mm) | 586 | 610 | 634 | 659 |
| Seat Tube Length (mm) | 442 | 468 | 490 | 540 |
| Seat Tube Angle (°) | 74.7 | 74.3 | 74.0 | 73.7 |
| Head Tube Length (mm) | 164 | 187 | 211 | 234 |
| Head Tube Angle (°) | 69.0 | 69.5 | 70.0 | 70.5 |
| Bottom Bracket Drop (mm) | 82 | 82 | 82 | 82 |
| Bottom Bracket Height (mm) | 279 | 279 | 279 | 279 |
| Front Center (mm) | 680 | 699 | 718 | 737 |
| Chainstay Length (mm) | 435 | 435 | 435 | 435 |
| Wheelbase (mm) | 1102 | 1122 | 1141 | 1160 |
| Rake (mm) | 50 | 50 | 50 | 50 |
| Trail (mm) | 80 | 77 | 74 | 71 |
| Standover Height (mm) | 672 | 686 | 700 | 713 |
Bike Shipping
Bike Shipping
Delivery is available upon specific request for our special order bikes.
Bikes may only be shipped directly to a qualified bike mechanic or bike shop of your choosing, who must complete the assembly of the bike. We strictly cannot ship an unbuilt bike direct to consumer.
The buyer is responsible for all shipping and assembly costs, and is responsible for arranging assembly with their nominated bike store or mechanic.
To request a shipping quote, please submit a request and include the delivery postcode, business name of your nominated bike shop or bike mechanic, and the exact model & frame size of the bike.
Please note: All bikes sold by Ivanhoe Cycles must be assembled by a qualified mechanic or bike shop. Any assembly undertaken without professional assistance is at the customer's risk and any injury as a result of the build without professional assistance will not be covered by the warranty.
Assembly
Assembly
Every bike purchased or collected in-store at Ivanhoe Cycles is fully assembled by our qualified mechanics free of charge.
Bikes ordered online for shipping* will require partial assembly, including but not limited to: installing handlebar, seatpost, front wheel; adjusting gears and brakes; tuning suspension; installing accessories or bar tape.
Disclaimer: Ivanhoe Cycles strongly advises having your assembly completed by an experienced bicycle mechanic. Any assembly undertaken without professional assistance is at the customer's risk and any injury as a result of the build without professional assistance will not be covered by the warranty.
*Shipping is restricted to certain brands due to assembly requirements.
Returns / Cancellations
Returns / Cancellations
If your special ordered item arrives faulty, damaged, or is differently than described, you are entitled to a full refund or replacement.
Cancellations and returns are not accepted on special orders if the consumer:
- changed their mind
- found the item cheaper elsewhere
- decided they didn't like the purchase or had no use for it
- ordered the wrong item
Contact us with any product enquiries you have prior to purchasing.
For more information, please read our Special Order terms and conditions.
Sizing and Geometry
Orbea Diem
Sizing chart to be used as a reference only. The best way to determine your size is to visit us in-store and get fitted.
| Size | Rider Height (cm) |
|---|---|
| S | 153-172cm |
| M | 164-183cm |
| L | 176-195cm |
| XL | 187-204cm |
Geometry

| Measurement | SM | MD | LG | XL |
|---|---|---|---|---|
| Wheels | 29″ | 29″ | 29″ | 29″ |
| Stack (mm) | 601 | 625 | 649 | 673 |
| Reach (mm) | 422 | 438 | 454 | 470 |
| Stack/Reach Ratio | 1.42 | 1.43 | 1.43 | 1.43 |
| Top Tube Length (mm) | 586 | 610 | 634 | 659 |
| Seat Tube Length (mm) | 442 | 468 | 490 | 540 |
| Seat Tube Angle (°) | 74.7 | 74.3 | 74.0 | 73.7 |
| Head Tube Length (mm) | 164 | 187 | 211 | 234 |
| Head Tube Angle (°) | 69.0 | 69.5 | 70.0 | 70.5 |
| Bottom Bracket Drop (mm) | 82 | 82 | 82 | 82 |
| Bottom Bracket Height (mm) | 279 | 279 | 279 | 279 |
| Front Center (mm) | 680 | 699 | 718 | 737 |
| Chainstay Length (mm) | 435 | 435 | 435 | 435 |
| Wheelbase (mm) | 1102 | 1122 | 1141 | 1160 |
| Rake (mm) | 50 | 50 | 50 | 50 |
| Trail (mm) | 80 | 77 | 74 | 71 |
| Standover Height (mm) | 672 | 686 | 700 | 713 |
Orbea Diem 30 (2025)
Congested. Crowded. Delayed. Disconnected. Why can’t moving around the city be seamless? In fact, why can’t it be a pleasure? Make the journey the best part of your day.
A to B should be a pleasure, not a chore. Diem is a powerful, award-winning urban e-bike you can count on, a trusty partner that brings a touch of class to the day-to-day. From the first moment you ride it, you know you are on something special. Grab a Diem and seize the day!
The Diem 30 features a traditional Shimano CUES 9-Speed chain-drive system, offering a wide gear range and smooth shifting. The Diem 30 is powered by a Shimano EP600 Motor delivering 85Nm of torque and a 540Wh battery. These features collectively make the Orbea Diem 30 a versatile and reliable choice for urban commuting, combining power, comfort, and smart technology.
Traditional Drivetrain
The Diem 30 features a Shimano CUES 9-speed drivetrain with Linkglide technology, offering a wide gear range and smooth, precise shifting. This traditional chain-drive system is designed for durability and reliability in urban commuting.
Endless Power
Equipped with a Shimano EP600 motor delivering 85Nm of torque and a 540Wh integrated battery, the Diem 30 provides ample power and range for daily rides. Orbea offers an optional 252Wh range extender for those seeking even longer journeys.
Intelligent Control
Advanced sensors monitor pedal pressure, speed, and acceleration, enabling the motor to respond instantly and adjust assistance levels accordingly. The system includes three assistance modes, easily controlled via a subtle handlebar remote with integrated LED indicators.
Smooth Ride Quality
The Diem 30 features a carbon fork, wider tires, and Orbea's patented Diamond Glide frame design, which allows vertical flex to absorb bumps and vibrations. This combination ensures a controlled and comfortable ride, even on rough urban streets.
Intelligent Lighting System
An integrated high-tech lighting system automatically activates in low-light conditions, enhancing safety and visibility. Wraparound lights ensure you're visible from all angles, day or night.
Thoughtful Accessories
Orbea offers a range of custom-designed accessories for the Diem 30, including racks, baskets, and child seats, all seamlessly integrated to enhance daily usability without compromising the bike's sleek aesthetics.
Award-winning design
2024 - iF Design Award
“Simply functional and elegant for the urban environment.”
2024 - Cyclingworld Europe “Product of the Year” Award
“There were products that impressed us as jurors, such as the Orbea Diem, which impressed us with its innovative overall concept and many beautifully designed details.”
2024 - Eurobike Gold Award
"Diem is an outstanding city e-Bike that combines safety, comfort, and precision with its patented frame design and SBS battery system. Its futuristic shifting system and exceptional design make it a standout in urban environments..."
2024 - Red Dot “Product Design” Award
“The elegant Diem e-bike impresses with its intelligent lighting system, which significantly increases active safety in road traffic.”
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Motor
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Controller
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Battery
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Charger
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Frame material
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Frame
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Fork
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Handlebar
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Headset
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Seatpost
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Saddle
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Pedals
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Shifters
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Rear Derailleur
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Brakes
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Cassette/Freewheel
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Chain
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Crankset
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Tyres
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Wheelset
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Extras
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Notes
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Speeds (rear)9 Speed
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Age GroupAdults
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GenderMens, Unisex
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DisciplineElectric, Commuting
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SKUsSpaceship Green/S: 8434446715815, Spaceship Green/M: 8434446716058, Spaceship Green/L: 8434446716270, Glitter Anthracite/S: 8434446715976, Glitter Anthracite/M: 8434446716195, Glitter Anthracite/L: 8434446716430, Ivory White/M: 8434446716119























