Orbea Denna M20
Denna is all about removing limits. Gravel-tuned assistance offers power for the steepest climbs, traction for the loosest surfaces and range for the longest rides. No matter the terrain, wide tire clearance and a frame designed for a smooth ride make big days in the saddle a pleasure.

The Horizon Beckons
Break free from preconceived limits. The Orbea Denna M30 isn’t just another gravel e-bike — it’s a machine built to expand your horizons. Its powerful, gravel-tuned assistance delivers control when you need it most, whether you’re grinding up steep fire roads or surging across fast open terrain. At the same time, its balanced weight distribution and smart geometry ensure exceptional handling and confidence-inspiring stability, letting you ride with precision no matter the conditions.

Smooth Ride
At home on every terrain, Denna’s finely tuned carbon frame delivers the perfect balance of stiffness and compliance. The engineered layup provides controlled flex that absorbs vibration and chatter, allowing you to stay composed and comfortable even when the surface beneath you turns unpredictable.
Instead of sapping your energy, the frame’s responsiveness works with you — transferring power efficiently when you push, while filtering out the harshness of gravel, roots, and broken tarmac. This means longer days in the saddle feel smoother, faster, and more enjoyable, leaving you fresher to tackle whatever the ride throws at you.
Innovative Solutions
Practical touches such as discreet mounting points for bags, guards, and accessories ensure the Denna is ready for anything — whether that’s a fast evening spin, an all-day gravel epic, or a multi-day adventure. The electric assist system itself has been refined for intuitive use, offering simple controls and consistent support without distraction, so you can stay focused on the ride.
It’s a bike that feels modern, versatile, and built for the real world — proof that innovation should always serve the rider, not complicate the ride.
Geometry

| # | Measurement | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|---|
| 1 | Seat Tube (C-T) | 405 | 438 | 471 | 504 | 537 | 570 |
| 2 | Top Tube (EFF) | 531 | 542 | 558 | 570 | 587 | 599 |
| 3 | Head Tube | 110 | 131 | 152 | 178 | 199 | 220 |
| 4 | Chainstay | 425 | 425 | 425 | 425 | 425 | 425 |
| 5 | BB Drop | 78 | 78 | 78 | 76 | 76 | 76 |
| 6 | BB Height | 284.5 | 284.5 | 284.5 | 286.5 | 286.5 | 286.5 |
| 7 | Wheelbase | 1030 | 1033 | 1040 | 1054 | 1061 | 1068 |
| 8 | Head Angle | 70° | 70.5° | 71° | 71° | 71.5° | 72° |
| 9 | Seat Angle | 74.5° | 74° | 73.5° | 73.5° | 73° | 73° |
| 10 | Rake | 55 | 55 | 55 | 55 | 55 | 55 |
| 11 | Standover | 738 | 765 | 792 | 819 | 846 | 873 |
| 12 | Reach | 390 | 390 | 395 | 400 | 405 | 410 |
| 13 | Stack | 526 | 548 | 570 | 592 | 614 | 636 |
| 14 | Fork Length | 390 | 390 | 390 | 390 | 390 | 390 |
| 15 | Trail | 73 | 70 | 67 | 67 | 63 | 60 |



