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Boardman ADV 8.9 Mens Adventure Bike 2021 - S, M, L, XL Frames 389606

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£1,000.00
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20% off a Bike Rack when you buy a Bike
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  • Adventure specific Shimano GRX gearing
  • Powerful Shimano GRX hydraulic brakes
  • Grippy yet fast, tubeless ready tryes

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Boardman ADV 8.9 Mens Adventure Bike 2021

  • Gears: Shimano GRX 2x10 is specifically designed for adventure riding, an 11-36T cassette ensures a versatile range of gears for all terrains
  • Frame: Lightweight Alloy with Adventure geometry for easier handling on and off road
  • Forks: Full Carbon tapered forks offer low weight and enable precise steering control
  • Brakes: Shimano GRX hydraulic disc brakes for high performance stopping power
  • Wheels: Boardman thru axle wheels and 38mm Schwalbe tubeless-ready tyres for balanced performance and comfort.

The Boardman ADV 8.9 takes the previous generation’s top model and turns it up a notch to ensure that it really lives up to the Adventure name. Whether your commuting or flying through forest trails the 8.9 is a performer that’s thrilling to ride.

The new Boardman ADV 8.9 Adventure Bike uses a light but strong aluminium frame and tapered carbon fork which combine for great comfort on and off road. Adventure specific geometry gives a more upright sitting position which is more forgiving when the going gets more cchallenging and a low bottom bracket lowers the centre of gravity to give more stability and control. Schwalbe G-One tyres are tubeless ready and with a 38mm width have plenty of grip when its needed.  The ADV 8.9 is now fitted with the new Adventure specific Shimano GRX groupset which has an optimised  range of gears for off-roading and are paired with powerful hydraulic brakes delivering an immediate response. Thru axle wheels offer rigidity and durabilty and pannier and mudguards mounts ensure the 8.9 will be just as at home on the daily commute as on a countryside dash.
 

More About The New Boardman ADV 8.9 Adventure Bike
 

Lightweight frame and fork

The 2021 ADV 8.9 is built on an Adventure specific, alloy frame for easy handling. It varies from Boardman’s road frames in a number of ways: The geometry is designed with off road riding in mind, and is designed so that the rider sits in a more upright position meaning you can spend hours in the saddle in comfort. The bottom bracket, where the pedal arms meet, is lower which drops the centre of mass, helping the bike to feel extremely stable in all conditions. The ADV 8.9 also features a full carbon, tapered fork which is wider where the forks meet the frame and therefore adds steering precision and stability. The 8.9 also features thru axles on both front and rear wheels which add strength and rigidity to the package for better power transfer
 

Adventure specific drivetrain

A recent addition to Shimano’s line-up the 2x10 GRX (RX400) groupset is designed for this ever-more-popular style of bike. The 2x set up means the perfect gear will always be at your fingertips and with a 10 speed, 11-36 tooth cassette there’s great low and high options enabling you to both climb and descend quickly and efficiently. This adventure specific drivetrain features a clutch mech which enables you to firm up the rear derailleur with the flick of a switch to aid chain retention and reduce chain-slap off road.
 

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. Using data from hundreds of bike fits and insight from bike fit experts, they have made simple changes to the touch points of the bikes. They’ve 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. The ADV models went through exhaustive testing to find the perfect combination of bars and stem to give controlled yet responsive handling meaning you’ll get a confidence inspiring feel whether on your daily commute or hitting the trails.
 

Versatile tyres

With a 38mm width, Addix compound and good tread pattern the Schwalbe G-One Allround offers great grip for off-road tracks and dry trail sections but has a low rolling resistance so that speed is not overly compromised on the road. The extra width offered over a traditional road tyre allows for lower tyre pressure and better comfort both on and off road, and Schwalbe’s Raceguard layering reduces the risk of punctures. Setting up tubeless mean you can ditch that spare tube, it’ll lighten your wheels and enable you to run even grippier pressures.


Boardman ADV 8.9 accessories

To give you confidence to take your new bike anywhere the Kryptonite Evo Mini7 lock and flex cable are lightweight but incredibly secure, the loop cable making sure your front wheel is locked up too. Ideal for night time riding on and off road riding as well as lengthy canal tunnels the Bikehut Front 1000 Bike Light and Bikehut Rear 50 Bike Light  pair perfectly to provide ample light no matter how much speed you’re carrying.


Maintain your Boardman ADV 8.9

If you plan on using your Boardman ADV 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 ADV 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 ADV 8.9 safe in the knowledge that it’s built to last.

Boardman ADV 8.9 Adventure Bike Extra Info

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

Size Guide

Click to find out how to measure your inside leg

Height (cm) Inside Leg (cm) Frame Size
170 - 179 74 - 82 Small
177 - 183 78 - 85 Medium
181 - 189 82 - 89 Large
187 - 195 86 - 94 X Large

Geometry Table


Size S (51.5cm) M (53cm) L (55.5cm) XL (57.5cm)
Stack 554mm 573mm 596mm 608mm
Reach 376mm 385mm 393mm 399mm
Seat Tube C-T 515mm 530mm 555mm 575mm
Effective Top Tube 535mm 555mm 575mm 585mm
Head Tube 130mm 150mm 170mm 185mm
Head Angle 71° 71° 71.5° 71.5°
Seat Angle 74° 73.5° 73° 73°
Chainstay Length 430mm 430mm 430mm 430mm
Fork Offset 50mm 50mm 50mm 50mm
 Bottom Bracket Drop 70mm 70mm 70mm 70mm
Crank Length 170mm 170mm 172.5mm 175mm
Stem Length 80mm 80mm 90mm 100mm
Handlebar Width 420mm 440mm 440mm 460mm


Additional Information:


Learn more about our maximum weight limits on adult bikes here.