The Orbea Onna 50 (2026) is designed for new riders seeking an affordable, reliable and comfortable mountain bike. Built on Orbea’s lightweight alloy Onna frame with internal cable routing and modern geometry, it offers smooth handling and confidence on trails and fitness rides.
Frameset
- Frame: Orbea Onna Alloy, Dropout 9x135, BSA BB, Internal cable routing
- Fork: SR Suntour XCE 28 Coil, 100mm travel, QR
- Steerer Tube: 1"-1/2 Semi-Integrated
Drivetrain
- Crankset: Forged alloy, 22/36t
- Shifters: Microshift TS38
- Cassette: SunRace CSM66 11–34t, 8-Speed
- Rear Derailleur: Shimano Tourney TX800
- Front Derailleur: Shimano M315 31.8mm
- Chain: KMC X8
Cockpit
- Handlebar: Alloy, 31.8mm, Flat, 740mm, 9° sweep
- Stem: Alloy, 7°
Brakes
- Brakes: Shimano MT200 Hydraulic Disc
Wheels
- Wheels: WH 2.1 Alloy
- Tyres: Kenda K1153 2.35" 22TPI
Components
- Seatpost: SP 0.6 Alloy, 27.2mm, 0mm setback
- Saddle: Essax Adv Soft 135mm for Orbea
- Pedals: VP-537 Black
Built with trusted Shimano components and a solid alloy frame, the Onna 50 delivers excellent value and performance for riders starting their MTB journey.
