2022 Orbea Onna 20 Hardtail Mountain Bike
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The 2022 Orbea Onna 20 Hardtail Mountain Bike is designed to kickstart a lifetime of mountain biking. The Onna 20 is the second from top of the range Onna. It comes with an air sprung suspension fork so you can adjust the performance and a 1x drivetrain for simple and reliable shifting.
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 20 comes with a SR Suntour XCR Air 100mm suspension fork, reliable Shimano MT200 Hydraulic disc brakes and a 1x10 speed drivetrain which is now the standard for modern mountain bikes. 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 an air sprung fork and a 1x drivetrain, plus the routing for a dropper post, the Onna 20 is a proper performance MTB.
Key Features
- Advanced aluminium frame with internal cable routing
- SR Suntour XCR Air 100mm air sprung suspension fork
- Shimano MT200 Hydraulic Disc brakes and Shimano 1x10 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
| Model | ONNA 29 20 |
| Wheel Size | 29 |
| Gearing | 1x10 |
| Frame | Orbea Onna Alloy, Dropout 9x135, BSA BB, Internal cable routing |
| Fork | RockShox Judy Silver TK Crown adjust QR Solo Air 100 |
| Headset | 1"-1/2 Semi-Integrated |
| Stem | Alloy 31.8mm interface 7� |
| Handlebar | Alloy Flat 31.8mm 720mm |
| Brakes | Shimano MT200 Hydraulic Disc |
| Rear Derailleur | Shimano Deore M5120 SGS Shadow Plus |
| Shifters | Shimano Deore M4100 |
| Cassette | Sun Race 11-46t 10-Speed |
| Chain | KMC X10 |
| Pedals | VP-537 Black |
| Crankset | Alloy forged 30t |
| Wheels | Orbea Black Rock 23c Disc |
| Tyres | Kenda K1153 2.35" 30TPI |
| Seatpost | Alloy 27.2 Offset 0 |
| Saddle | Selle Royal 2058 DRN |
Please note: Manufacturers can sometimes change the specification of the products from time to time.
| Colours | Black (Gloss) - Silver (Matte), Brick Red (Matte) - Green (Gloss), Violet Blue - White (Gloss) |
| Sizes | L, M, S, XL |
| Brand | Orbea |
| Model Year | 2022 |
| Barcodes | 8434446972607, 8434446972614, 8434446972621, 8434446972638, 8434446972645, 8434446972652, 8434446972669, 8434446972676, 8434446972683, 8434446972690, 8434446972706, 8434446972713 |
| SKUs / Part Numbers | M21015N9, M21015NA, M21015NB, M21017N9, M21017NA, M21017NB, M21019N9, M21019NA, M21019NB, M21021N9, M21021NA, M21021NB |
Why buy from Cycles UK?
We Deliver
You can choose how to receive your new bike. You can click and collect from our stores, pick a fast courier delivery or premium hand delivery. Whichever option you choose your bike will be fully assembled and checked by one of our experienced mechanics.
Price Promise
We regularly check our prices against our competitors to ensure that you are getting a good deal. If you find an item cheaper within seven days of purchase, just let us know and ask us to match the price.
Free Insurance
Cycles UK provides 14 days of free insurance on all new bikes sold to UK customers. As part of our service, your new bike is automatically covered with 14 days’ FREE insurance against theft and accidental damage.
Comfort Guarantee
Opinions of contact points such as saddles, shoes and grips can vary a lot between different riders. If you buy a contact point from Cycles UK and you don’t find it comfortable, you can return it within 30 days, and we’ll swap it for something else.
How does it work?
- Add 30 days free insurance during checkout
- Complete your purchase
- Receive welcome docs by email
- Ride with peace of mind
Why Sundays?
Trust our 14 years of experience in the bicycle insurance industry. Our comprehensive, customisable, and competitively priced coverage includes easy online quotes, fast claims handling, and expert customer service.
Orbea Mountain Bike Size Guide
| Size | Rider Height (CM) |
| Small | 150-165 |
| Medium | 160-175 |
| Large | 170-185 |
| XLarge | 180-198 |
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with a £ 0.00 deposit.
The total charge for credit is £ 0.00.
Choose an available finance option:
To apply, add the item to your basket and apply for finance on your entire basket.
Please note the above quotation is an indicative cost and actual monthly payments may vary by +/- 2p per month.
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