The Orbea Onna combines a balanced geometry with perfect handling on the trail to give you maximum riding fun. Thanks to the wheel size adapted to the respective frame size, everyone will find the right Onna, to conquer the trails. With its tapered head tube, the Onna allows the use of various 100 mm suspension forks, plus all models have hydraulic disc brakes and the top models come with 1x gears from Shimano. In addition, the bike offers plenty of space for wide tires that provide comfort and grip. You see: The Onna is ready for your rides and will set no limits to new adventures.
| Product name: | Orbea ONNA 20 - 29" Mountain Bike - 2025 - Black (gloss/matt) |
| Manufacturer: | Orbea Bikes |
| Item code: | OEA707951 |
| Activity: | Cycling |
| Material: | Aluminium |
| Usage bikesport: | MTB |
| Chain: | KMC eGlide |
| Cassette: | Shimano CS-LG400 |
| Shifter: | Shimano Cues SL-U6000 |
| Rear derailleur: | Shimano Cues U6000 GS Shadow |
| Bottom bracket: | BSA |
| Chainring ratio: | 32 |
| Crankset: | Alloy forged |
| Brakes: | Shimano MT200 |
| Wheels: | Alloy | 23c | 32H |
| Seat post model: | Alloy, 27.2 mm | Offset 0 |
| Saddle: | Fortune QF-3091 |
| Handle bar: | Alloy Flat, 31.8 mm | 720 mm |
| Stem: | Alloy | 7º |
| Fork: | SR Suntour XCR Air Lor | QR |
| Headset: | 1"-1/2 Semi-Integrated |
| Frame: | Orbea Onna Alloy | Dropout 9x135 mm | ICR |
| Shifting system (manufacturer): | Shimano |
| Gear ratio: | 11-50 |
| Number of gears - front: | 1 |
| Number of gears - rear: | 11 |
| Shifting type: | Chain - Mechanical |
| Brake type: | Disc Brake |
| Wheel size: | 29" (622mm) |
| Seatpost: | Seatpost rigid |
| Frame type: | Hardtail |
| Travel fork: | 100mm |
| Pedals: | VP-537 Black |
| Tires: | Kenda Booster | 2.40" 30TPI |
| Brake actuation: | Hydraulic |
| Model year: | 2025 |
| Collection: | Full year |
| Color: | Black |
| Fork construction: | Classic Suspension Fork |
| Manufacturer item code: | R208 |
| Cable routing: | internal |
| Product series: | Orbea - Onna |
| Manufacturer page: | https://www.orbea.com/ |
