2023 Orbea Onna 50 Hardtail Mountain Bike

£459.00
Was £629.00

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The 2023 Orbea Onna 50 Hardtail Mountain Bike is designed to kickstart a lifetime of mountain biking. The Onna 50 is the entry level bike in the range and comes with a 100mm travel fork, hydraulic disc brakes and reliable Shimano gearing.

The Onna is built around an advanced aluminium frame with shaped tubes to fine tune the ride quality. Stiff enough to be fast and responsive, compliant enough to be comfortable and controlled. A tapered headtube and fork steerer put strength and rigidity where they’re needed while trimming weight with alloy steerer tubes and offering a wider selection of quality forks and there’s plenty of room for wide mountain bike tyres for comfort, grip and mud clearance. Onna is fully compatible with internally routed 27.2mm dropper posts, so you will be ready for whatever trails the future holds. This gives an easy path to upgrades as you progress.

The Onna 50 comes with a SR Suntour XCE Coil suspension fork and reliable Shimano MT200 Hydraulic disc brakes. The xsmall size Onna come with 27.5” wheels, the small has a choice of 27.5” or 29” and the larger sizes all come with 29” wheels so you can get the best fit for your height.

This bike is perfect for

Riders who are new to mountain biking and are looking for a fast and responsive bike that is properly off-road capable. With reliable parts and hydraulic brakes this is a great way to get started.

Key Features
  • Advanced aluminium frame with internal cable routing
  • SR Suntour XCE Coil 100mm suspension fork
  • Shimano MT200 Hydraulic Disc brakes and Shimano drivetrain

Mountain Bike Buying Guide

Mountain biking is an incredibly diverse sport. Mountain bikes now come in three main flavours. They are XC, Trail and Enduro.

XC – short for cross country, are quick race bikes. They will normally have 29” wheels and come with 100mm of suspension. If you are mainly going to be riding bridleways and natural trails in the South East of England, where our shops are, an XC bike will be the quickest and most efficient option.

Trail – these bikes are designed to be pedalled up and down hill and for use on bridleways and natural trails, but also at dedicated trail centres. They normally come with 130mm or 140mm of suspension travel and can have either 27.5” or 29” wheels, but 29” is quickly becoming the norm. Trail bikes are good all-rounders. They won’t be as fast as an XC bike on the flat but they can handle a lot more challenging terrain, and a few jumps. If you plan on taking your bike to trail centres in Wales, or to the Alps, then a trail bike may be your best option.

Enduro – enduro racing is a thing in and of itself but many people buy enduro bikes for ‘aggressive’ trail riding and uplift days at places like Bike Park Wales. This generally means challenging downhill trails with some big jumps. With around 160mm of suspension travel enduro bikes can take some big hits. They are designed to be efficient enough to pedal up hills but really come into their own when pointed downhill. You get enduro bikes in either 27.5” or 29” wheel sizes as well as mullet setups of 29 at the front and 27.5 at the back.


Men’s and women’s mountain bikes

Nearly all the mountain bikes we sell are now unisex. All of the big brands have gradually stopped doing dedicated men’s and women’s bikes over the last few years. Instead they are focussed on producing bikes in a bigger range of sizes. So, for instance, the Trek Marlin 5 is a unisex bike that now comes in sizes from XXS to XXL large. This means it will fit riders from 4’ 5” to 6’ 5” and everything in between.


Read our full mountain bike buyers guide


Who are Orbea?

Orbea pronounced Or-bay-ah is named after the brothers who founded the company in 1840. Initially, the company manufactured rifles and guns. The company has been making bikes since the early 1930s and winning Tour de France stages for just as long. All Orbea Bikes are assembled at the Orbea Factory based in the heart of the Basque country in Northern Spain or in their facility in Portugal.

Orbea does things a little differently from many of the big American bike brands. As the heart of Orbea's manufacturing is still in Spain and Portugal Orbea can offer much more customised service. This includes the ability to swap out colours and parts on most of their higher-end bikes to suit individual customers through their MyO program.

Although best known for their road bikes Orbea are increasingly making a name for themselves as a mountain bike brand.


Read More About Orbea Bikes

Price Match at Cycles uk

We understand that price is important, so we regularly price-check our competitors to make sure we have the best offers available. We recognise that we will not always be the cheapest, so if you see the same product cheaper from any of our competitors then please get in touch via the form below and we will do our best to match any reasonable advertised price.

FRAME - Orbea Onna Alloy, Dropout 9x135, BSA BB, Internal cable routing

FORK - SR Suntour XCE 28 Coil 100mm QR

HEADSET - 1"-1/8 Semi-Integrated

CRANKSET - Forged alloy, 22x36t, 7/8S

SHIFTERS - Microshift TS38

CASSETTE - Sun Race CSM66 11-34t 8-Speed

REAR DERAILLEUR - Shimano Tourney TX800

FRONT DERAILLEUR - Shimano M315 31.8mm

CHAIN - KMC X8

HANDLEBAR - Alloy, 31.8mm, Flat, 720mm

STEM - Alloy, 7º

BRAKES - Shimano MT200 Hydraulic Disc

WHEELS - Mach1 ER20 19c

TYRES - Kenda K1153 2.35" 22TPI

PEDALS - VP-537 Black

SEATPOST - Alloy, 27.2mm, Setback 0

SADDLE - Essax Adv soft135mm for Orbea

Colours Black (Gloss-Matt), Terracotta Red (Matt) - Green (Gloss), Violet Blue - White (Gloss)
Sizes L Frame - 29 Wheel, M Frame - 29 Wheel, S Frame - 27.5 Wheel, XL Frame - 29 Wheel, XS Frame - 27.5 Wheel
Brand Orbea
Model Year 2023
Barcodes 8434446180019, 8434446180026, 8434446180033, 8434446180040, 8434446180057, 8434446180064, 8434446180514, 8434446180521, 8434446180538, 8434446180545, 8434446180552, 8434446180569, 8434446180576, 8434446180583, 8434446180590
SKUs / Part Numbers N20114N9, N20114NA, N20114NB, N20115N9, N20115NA, N20115NB, N20717N9, N20717NA, N20717NB, N20719N9, N20719NA, N20719NB, N20721N9, N20721NA, N20721NB

Please note: Manufacturers can sometimes change the specification of the products from time to time.

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