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2022 Orbea Onna 40 29 Hardtail Mountain Bike


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The 2022 Orbea Onna 40 29 Hardtail Mountain Bike is designed to kickstart a lifetime of mountain biking. The Onna 40 is the second bike in the range and comes with a couple of key upgrades over the entry level Onna 50. These include a beefier fork and extra gears.

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 40 comes with a SR Suntour XCT 30 Coil 100mm suspension fork which is beefier than the XCE 28 fork fitted to the Onna 50, giving better handling. Reliable Shimano MT200 Hydraulic disc brakes and a 2x9 speed drivetrain gives a couple of extra gears over the Onna 50. 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. The Onna 40 comes with a couple of key upgrades over the Onna 50 for better off-road performance.

Key Features

  • Advanced aluminium frame with internal cable routing
  • SR Suntour XCT 30 Coil 100mm suspension fork
  • Shimano MT200 Hydraulic Disc brakes and Shimano 2x9 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.

Model ONNA 29 40
Wheel Size 29
Gearing 2x9
Frame Orbea Onna Alloy, Dropout 9x135, BSA BB, Internal cable routing
Fork SR Suntour XCT 30 Coil 100mm QR
Headset 1"-1/8 Semi-Integrated
Stem Alloy 31.8mm interface 7�
Handlebar Alloy Flat 31.8mm 720mm
Brakes Shimano MT200 Hydraulic Disc
Front Derailleur Shimano M2020 31.8mm
Rear Derailleur Shimano Altus M2000 SGS Shadow
Shifters Shimano Alivio SL-M3100
Cassette Sun Race CSM989 11-36t 9-Speed
Chain KMC X9
Pedals VP-537 Black
Crankset Alloy forged 22x36t 9S
Wheels Orbea Black Rock 23c Disc
Tyres Kenda K1153 2.35" 30TPI
Seatpost Alloy 27.2 Offset 0
Saddle Selle Royal 2058 DRN
Brand Orbea
Model Year 2022
Barcodes 8434446972348, 8434446972355, 8434446972362, 8434446972379, 8434446972386, 8434446972393, 8434446972409, 8434446972416, 8434446972423, 8434446972430, 8434446972447, 8434446972454
SKUs / Part Numbers M20815N9, M20815NA, M20815NB, M20817N9, M20817NA, M20817NB, M20819N9, M20819NA, M20819NB, M20821N9, M20821NA, M20821NB

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

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