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Boardman MTR 8.9 Mens Mountain Bike 2021 - Medium
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Boardman MTR 8.9 Mens Mountain Bike 2021 - Medium 371102

Boardman MTR 8.9 Mens Mountain Bike 2021 - S, M, L, XL Frames is rated 5.0 out of 5 by 1.
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Discount applied in basket. *Excludes balance Bikes.
  • SRAM NX Eagle 1x12 with 11-50T cassette
  • Powerful SRAM 4-piston brakes
  • 150mm Rockshox GOLD 35 Air fork

Step 1: Choose A Size

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View our size guide
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Step 2: Would You Like It Built?

  • FREE - Bike built and collected in store
  • £30.00 - Bike built and delivered (per bike)

Please note: For bikes built and collected in store, you'll be asked to choose a date and time slot for collection. Once chosen, this slot is unable to be amended.

Step 3: Add a CycleCare plan?

Step 4: Select Delivery Option

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Boardman MTR 8.9 Mens Mountain Bike 2021

Developed from the previous generation flagship model, the 2021 MTR 8.9 gets some upgrades and updates to improve what was already an unbeatable package and which now looks incredible in its new stealthy, dark grey colourway. 

The new 2021 Boardman MTR 8.9 Mountain Bike is built on a new 29er platform which is both slacker and longer than its predecessor. The 8.9 features Rockshox 35 GOLD RL forks with 150mm of travel which is paired with a Deluxe Select+ rear shock for serious off-road performance. The 2021 model now comes with a dropper post and brakes have been upgraded to 4-piston SRAM Guide T which offer powerful and controlled braking in all conditions. The 8.9 has been upgraded to NX Eagle meaning the drivetrain now gets an even bigger range (11-50T) as well as a total of 12 gears. The new MTR 8.9 is built on 29 inch thru-axle wheels which give fantastic stability and smoothness. They come wearing a set of tubeless-ready Maxxis Minion tyres which give fantastic grip regardless of how wet and muddy the trails become.

Boardman MTR 8.9 specifics:

  • Gears: SRAM NX Eagle with 11-51T cassette
  • Frame: New 29er MTR platform with a trail ready geometry
  • Suspension: Rockshox GOLD 35 Air forks with Rockshox Deluxe Select+ rear shock
  • Brakes: SRAM Guide T hydraulic disc brakes with 180mm rotor front and rear for high performance powerful braking
  • Wheels: Boardman Tubeless ready wheelset with Maxxis Minion DHF in the front and DHRII in the rear
  • Extras: Satori Dropper post in either 125mm or 150mm depending on frame size

More About The New Boardman MTR 8.9 Mountain Bike

Spec to push you

The spec of the 2021 MTR 8.9 is designed to support a rider as they start to push themselves and make the most of what the British and Irish trails can offer. Powerful 4-piston brakes not only help for sudden stops but also for metering out power on controlled technical descents. The dropper which has been added to the 2021 model means you can get the saddle out the way to shift your weight where it’s needed and the upgraded NX Eagle means you’ve got a serious range of gears at your fingertips with a high quality shift feel. Rockshox 35 Gold RL forks really come into their own when you hit rougher terrains, maintaining grip and offering excellent controllability.

New 29er platform

Sitting on 29-inch wheels for the first time, the 2021 Boardman MTR line-up have been designed as a range of trail ready bikes which feel composed and sturdy through British and Irish singletrack. With 150mm of fork travel and 145mm in the rear the MTR 8.9 is ready to soak up rough terrain. The 66 degree head angle is a degree slacker than the outgoing model and reach has been increased across all sizes to make for a longer, more planted bike.

The little things that matter

With Chris Boardman as Chairman of the company, Boardman have a wealth of experience to draw on and are always looking at the fine details when developing bikes. The new MTR platform has been designed around real-world trail riding, with a geometry and suspension set up honed through countless hours of testing. They’ve also worked to develop a range of saddles using advanced pressure mapping and real-world testing to make sure any saddle on a Boardman bike is going to suit the majority of people riding it.


Boardman MTR 8.9 Mountain Bike 2021 Extra Info

  • FREE build
  • Unlimited lifetime safety checks
  • Lifetime guarantee on frames and rigid forks*
  • CycleCare available

*Please see our T&C's here

Boardman MTR 8.9 Accessories

Topeak Defender Mudguards will ensure you stay drier and cleaner for much longer when out on your rides. The Lazer Chiru MIPS Helmet both looks the part and has features such as MIPS to ensure great safety should you have to come to rely on the helmet. And to ensure you can dial both your front and suspension we recommend a Halfords Shock Pump. Side-Entry bottle cages work best with the MTR frame, we've tried and tested the Elite Prism Carbon Cage and we loved it!

Maintain your Boardman MTR 8.9

If you plan on using your Boardman MTR 8.9 regularly, then we’d recommend our CycleCare services to make sure your new bike stays in top shape. Just like the annual service you’d get done on your car, we’ll check your bike’s components depending on the service you choose, then make any repairs and make sure your bike is safe to ride. On the subject of safety, you’re also welcome to bring your Boardman MTR 8.9 to any Halfords store for unlimited safety checks at any time.

Our Guarantee

Thanks to our confidence in the high quality bikes we sell, Halfords offer a lifetime guarantee on all frames and rigid forks*, so you can ride your Boardman MTR 8.9 safe in the knowledge that it’s built to last.

*Please see our T&C's here

Check out the rest of the Boardman MTB bike range

Trading up?

Trade up to MTR 9.0 for:
  • Shimano SLX 1x12 gearing with a 10-51T cassette
  • Rockshox Pike Select fork for ultimate performance

Size Guide

Click to find out how to measure your inside leg

Size S (16") M (17") L (18") XL (19")
Height (cm) 162 - 170 168 - 177 175 - 185 183 - 195
Inside Leg (cm) 72 - 82 74 - 85 78 - 89 82 - 94

Geometry Table

Size S (16") M (17") L (18") XL (19")
Reach 440mm 455mm 475mm 490mm
Seat Tube C-T 410mm 430mm 460mm 480mm
Effective Top Tube 598mm 615mm 638mm 655mm
Head Tube 90mm 100mm 110mm 120mm
Head Angle 66° 66° 66° 66°
Seat Angle 75.5° 75.5° 75.5° 75.5°
Chainstay Length 440mm 440mm 440mm 440mm
Fork Offset 42mm 42mm 42mm 42mm
 Bottom Bracket Drop 33mm 33mm 33mm 33mm
Crank Length 170mm 170mm 170mm 170mm
Stem Length 45mm 45mm 45mm 45mm
Handlebar Width 780mm 780mm 780mm 780mm

Additional Information

The above images and description serve as an example. Current disruption in the global supply network mean that specific components may not be available. If that occurs, we may replace those components with similar parts of the same or higher quality, provided that any such substitutions do not negatively affect the overall quality or use of the product.