The Orbea Onna Junior is the perfect companion for the entry into the world of mountain biking. Thanks to its strong aluminum frame and a geometry focused on control and comfort, the Onna Junior masters every trail. With its high-quality MTB components and grippy tires, the bike is ready for boundless adventures.
The Onna was designed for a lot of action. Without neglecting the weight savings in the frame, the developers aimed for extra durability in a bike that is heavily used.
| Product name: | Orbea ONNA XS Junior 20 - 27.5" Youth Mountainbike - 2025 - Black (gloss/matt) |
| Manufacturer: | Orbea Bikes |
| Item code: | OEA708017 |
| Activity: | Cycling |
| Gender: | kids |
| 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 Hydraulic Disc |
| 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 |
| 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 |
| Recommended body height: | 145-160cm |
| Brake type: | Disc Brake |
| Wheel size: | 27,5" / 650B (584mm) |
| 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: | R017 |
| Cable routing: | internal |
| Product series: | Orbea - Onna |
| Manufacturer page: | https://www.orbea.com/ |
