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It Starts Here. A lifetime of mountain biking begins with a first. An initial curiosity, a spark of adventure, the inkling that there is much to discover under the branches of towering pines or among painted desert spires.
It Starts Here. A lifetime of mountain biking begins with a first. An initial curiosity, a spark of adventure, the inkling that there is much to discover under the branches of towering pines or among painted desert spires.
Orbea

Orbea Onna 27 Xs Junior 50 Junior Mountain Bike In Black Gloss-Matt

£659.00
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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Orbea Onna 27 Xs Junior 50 Junior Mountain Bike In Black Gloss-Matt

Season:2024

Brand:Orbea

Code:R01514N9

It Starts Here - A lifetime of mountain biking begins with a first – An initial curiosity, a spark of adventure, the inkling that there is much to discover under the branches of towering pines or among painted desert spires.

After uncertain early pedal strokes comes an efficiency of motion and mind that changes the synapses of your brain forever. Strength arrives, discomfort departs, clarity comes even if only for the moment. A lifetime of mountain biking starts here.

Onna means comfort and control - The Onna was designed for a rider who wants to conquer the trail. A bike geometry that maximizes efficiency and control is perfect for any rider who is learning to love MTB.

Balanced handling - Onna boasts balanced geometry with perfect trail manners to maximise the fun for all riders. Add wheel sizes matched to frame size give perfect fit for all riders and the Onna is ready for the trail ahead.

Ready for the trail - With tapered headtube to give a wide choice of 100mm suspension forks, hydraulic disc brakes across all the range and 1x Shimano drivetrain on top models, Onna is equipped for the ride. With plenty of room for wide mountain bike tyres for comfort and grip, Onna isn´t going to limit your adventures.

Features:
  • DROPPER POST READY - Onna is fully compatible with internally routed 27.2mm dropper posts, so you will be ready for whatever trails the future holds.
  • HYDRAULIC DISC BRAKES - Post mount 160mm hydraulic disc brakes on every Onna.
  • THREADED BOTTOM BRACKET - Threaded bottom brackets offer low maintenance are easily replaceable by the home mechanic.
  • TAPERED HEADTUBE - 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.
  • QUICK RELEASE AXLES - Onna comes with QR axles as standard.
  • INTERNAL CABLE ROUTING - Internal Cable Routing is carefully guided along the best path behind the headtube with no rub or rattle.
  • RACK MOUNTS - The forged dropouts offer secure mounting points for a wide variety of racks.
  • KICKSTAND - The left chainstay of the bike has an integrated mounting point for a kickstand.
  • ADVANCED ALUMINIUM FRAME - Onna´s advanced aluminium frame with shaped tubes allows us to fine tune the ride quality. Stiff enough to be fast and responsive, compliant enough to be comfortable and controlled. At Orbea we are proud that the Onna is ready for whatever trails lie ahead.
Technical Information
  • 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
Sizing Information
Mountain/Leisure Bikes

Rider Height (ft/in)Rider Height (cm)Orbea Mountain Bike Size
4'11" - 5'3"150 - 160 cmXS
5'3" - 5'6"160 - 168 cmS
5'6" - 5'9"168 - 175 cmM
5'9" - 6'0"175 - 183 cmL
6'0" - 6'3"183 - 191 cmXL
6'3" - 6'7"191 - 200 cmXXL

Road/Gravel Bikes

Rider Height (ft/in)Rider Height (cm)Orbea Road Bike Size
4'10" - 5'1"147 - 155 cm47-49cm
5'1" - 5'4"155 - 163 cm49-51cm
5'4" - 5'7"163 - 170 cm51-53cm
5'7" - 5'9"170 - 175 cm53-55cm
5'9" - 6'0"175 - 183 cm55-57cm
6'0" - 6'2"183 - 188 cm57-59cm
6'2" - 6'5"188 - 196 cm59-61cm
6'5" - 6'8"196 - 203 cm61-63cm


Please note that this is a general guideline, and you should always refer to the specific bike's geometry chart to ensure a proper fit. Please visit Orbea for more information
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