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Every mountain bike story has a beginning. The Orbea Onna 50 27.5 2027 bikewe’re featuring here at Escapa is designed for those who want to explore the trails, build confidence on the bike, and enjoy every ride to the fullest. It’s an MTB built to take you from your first rides to the most challenging trails, offering the perfect combination of comfort, control, and fun.

Comfort and Control to Enjoy Every Ride

The Onna was created to offer a safe and balanced ride from the very start. Its geometry optimizes your position on the bike, improving stability and control on both easy trails and more technical ones. The result is an MTB that’s easy to handle, intuitive, and perfect for getting started or advancing in mountain biking.

Balanced Geometry, Maximum Fun

Every detail of the frame has been engineered to deliver stable and predictable handling. The combination of Trail-specific geometry and wheel sizes tailored to each frame size provides a balanced and safe ride, allowing you to tackle any Sendero with confidence.

Advanced aluminum frame

The Orbea Onna’s aluminum frame offers an excellent balance of stiffness, lightness, and comfort. It’s responsive enough to deliver speed and pedaling efficiency, yet comfortable enough to enjoy hours on the bike.

Ready to Evolve With You

The Onna incorporates features typically reserved for higher-end bikes:

Internal cable routing for a cleaner look and better cable protection.

A tapered headset tube that improves front-end stiffness and opens up possibilities for future upgrades.

Compatibility with internally routed dropper posts.

Hydraulic disc brakes for powerful and reliable stopping power in any situation.

Ready for Any Sendero

Thanks to its compatibility with 100 mm forks, its trail-oriented design, and its rugged construction, the Orbea Onna is ready to accompany you on any adventure. It’s a versatile, reliable, and fun bike, designed so that your only concern is continuing to explore new trails.

Frame:
Orbea Onna Alloy, 9x135 dropout, BSA bottom bracket, internal cable routing
Fork:
SR Suntour XCE 28 Coil 100 mm QR
Headset:
1"-1/2 Semi-Integrated
Handlebars:
Alloy, 31.8 mm, Flat, 740 mm, Sweep 9
Power:
Alloy, 7th
Brakes:
Shimano MT200 Hydraulic Disc
Gear Shift:
Shimano Tourney TX800
Front derailleur:
Shimano M315 31.8 mm
Chain:
KMC X8
Wheels:
WH 2.1, Alloy, 27.5", 32H
Sprocket:
Sun Race CSM66 11-34t 8-Speed
Tires:
Kenda K1153 2.35" 22 TPI
Seatpost:
SP 0.6, Alloy, 27.2 mm, Setback 0
Saddle:
Essax Adv Soft 135mm for Orbea
Controls:
Microshift TS38
Season:
2027
Chainrings and Cranksets:
Forged alloy, 22x36t, 7/8-speed
Material:
Aluminum
Brake:
Disc
Diameter:
27.5"
Type: Mountain Bike:
Rally
Number of Gears:
8V
Drivetrain Type:
Mechanical
Number of Chainrings:
2
Handlebar Width:
28
Suspension Travel:
100
Brand:
Orbea
Orbea

Orbea Onna 50 27.5 2027 Bicycle

U20114RF-92919
599,00€
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