Orbea
Orbea Diem 20 28mph 2025
Orbea Diem 20 28mph 2025
Original Sale Price:
Price with $450 Colorado Resident Discount*:
In Stock
Bike assembly is Free for most ebikes excluding Aventon and Segway models which require a $195 build fee. You may notice these bikes aren't available to purchase on the website. This is because we encourage new riders to give us a call, talk to an expert, and find the perfect bike for you.
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Shipping & Fulfilment
Shipping & Fulfilment
- Pick-Up in Store: Have your bike, assembled and prepared for in store pick-up at your convenience.
- Shipped to You: We'll ship your bike anywhere in the lower 48 for $225 starting rate, additional shipping charges may apply for various models, contact an e-bike specialist for details.
*Price with Colorado Resident Discount includes $225 CO state ebike tax credit + $225 e-bike of Colorado rebate issued after 3 test rides of different ebike brands. $225 CO state credit is available to every Colorado Resident once per calendar year. The $225 e-bike of Colorado rebate is available to Colorado residents once during promotional period and is only valid for ebikes professionally assembled by e-bike of Colorado (does not apply to unassembled bikes purchased in a box). Tax calculated on sale price before $225 Colorado tax credit is applied. Please contact our store for more information.
Description
Orbea Diem 20 28 mph Class 3 ebike - at e-bike of Colorado in Louisville
The Orbea Diem 20 28 mph is a premium urban electric bike engineered for riders who demand speed, style, and everyday utility. Combining Orbea’s signature Diamond Glide frame with a powerful Shimano drive system and integrated commuter features, the Diem 20 delivers smooth pedal-assist up to 28 mph, making it ideal for city commutes, errands, and fast-paced cruising.
Test Ride the Orbea Diem 20 at e-bike of Colorado in Louisville. Conveniently located near Boulder, Lafayette, Broomfield, and Arvada!
Why the Diem 20 is your ideal Colorado Urban ebike Choice
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Class 3 Pedal-Assist Up to 28 mph — Fast urban performance for commuters and weekend explorers.
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Shimano EP600 Motor — Up to 85 Nm of torque. A reliable, responsive assistance optimized for city riding around Denver, Boulder, and Beyond
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630 Wh Integrated Battery — Plenty of range for daily rides and longer excursions.
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Comfort & Practicality Built-In — Integrated lights, mudguards, rack compatibility, and reflective tires make it ready for Colorado streets.
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Belt Drive & Hub Gearing — Smooth, low-maintenance Gates CDX belt with Shimano Nexus Inter-5 for reliable shifting.
This ebike is perfect for Colorado riders who want performance without sacrificing practicality — whether heading to work, exploring communities, or enjoying long scenic rides.
| Specification | Details |
|---|---|
| Model | Orbea Diem 20 28 mph |
| Frame | Orbea Diem Diamond Glide Alloy |
| Fork | Orbea Diem Full Carbon Fork |
| Motor | Shimano EP600 eBike Drive Unit |
| Battery | Orbea Internal 630 Wh |
| Range Extender | Optional 252 Wh |
| Drive System Max Speed | Assistance Up to 28 mph |
| Drivetrain | Gates CDX Belt & Shimano Nexus Inter-5 Hub |
| Brakes | Shimano MT201 Hydraulic Disc |
| Wheels | Alloy, 32H |
| Tires | Schwalbe Marathon 50-622 w/ Reflective Tape |
| Front Light | Supernova Starstream Pro |
| Rear Light | Orbea Integrated Fender Light |
| Accessories | Front/Rear Carriers, Mudguard, SP Connect Mount |
Ultimate Urban Riding Experience
The Orbea Diem 20 blends cutting-edge e-bike engineering with thoughtful urban design. Integrated components like lights, carriers, and phone mounts help streamline every ride, while the high-capacity battery and robust motor keep power on tap when you need it most.
Whether you’re commuting across Denver, cruising Boulder’s bike paths, or exploring nearby towns, the Diem 20 28 mph stands out as a class-leading city e-bike you can count on.
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Consider Club Membership
Learn MoreAll e-bikes come with an optional Club Membership Upgrade.
Why?
Professional bike assembly is free on most ebikes excluding Aventon and Segway ebikes ($195 fee) but, every customer is welcomed into the Club Membership Program, which includes various discounts, service perks and more.
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Want to Avoid Flat Tires
Explore Bicycle Tire Flat Protection ProgramsConsider adding Bike Tire Flat Protection to your new e-bike purchase. Our in house Flat Protection Programs provide enhanced flat defense and a service warranty program for any tire failures.
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Synchrony e-bike Financing
See additional fiancing detailsGet the bike you want today and pay over time with easy monthly payments through Synchrony. Flexible financing options make it simple to hit the road without delay. Subject to credit approval.