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Boardman SLR 8.9 Disc Mens Road Bike 2021 - S, M, L, XL Frames 365622

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  • Full Shimano 105 Hydraulic Disc groupset
  • Lightweight carbon frame and fork
  • Amazing gear range from 11-30T cassette

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  • FREE - Bike Built and Collected In-store
  • £25.00 - Bike Built and Delivered (per bike)

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Boardman SLR 8.9 Disc Mens Road Bike 2021 - S, M, L, XL Frames

New for 2021 model year, the SLR 8.9 Disc builds on the ever-popular carbon-framed SLR 8.9 and adds flat mount hydraulic disc brakes as well as other refinements to take this amazing value road bike to the next level.
Featuring similar aero tube profiles and geometry as the top of the range SLR 9.6, the New Boardman SLR 8.9c Disc Road Bike will keep you in the saddle for longer and certainly further. The 2021 line-up introduces Shimano 105 on the 8.9 models for the first time and the 8.9 Disc gets the full Shimano 105 hydraulic disc groupset with powerful flat mount brakes. The stiff bottom bracket area houses a 105 2-piece crankset and bottom bracket to ensure all your power is transmitted to the road.  The 8.9 Disc features upgraded tyres and wheels over the standard 8.9, Vittoria Rubino Pro 28mm puncture resistant tyres are mounted to tubeless-ready rims. This premium set up is echoed in the silver to grey paint fade.

Boardman SLR 8.9 Disc specifics:

  • Gears: 22 speed Shimano 105 and 11-30T cassette gives slick shifting over a wide range
  • Frame: Boardman carbon SLR frame with aero tube profiles for reduced drag
  • Forks: Full carbon forks for better comfort and weight saving
  • Brakes: Flat mount Shimano 105 Hydraulic Disc brakes for ultimate stopping power in all conditions
  • Wheels: Boardman wheels and Vittoria's Rubino pro 28mm tyres for better grip and comfort.

More About The New Boardman SLR 8.9c Road Bike

Full Shimano 105 disc groupset
Shimano 105 R7020 doesn’t just look great it also performs brilliantly giving swift and sure shifting with a light touch. The integrated levers are ergonomically designed for general comfort with chamfered tops meaning your grip is assured even when it’s hot and sweaty. The 105 50-34T crankset and Shimano bottom bracket transmit power to the 11-30T cassette to give a good range for UK and Irish conditions. This set up is complete with Shimano 105 flat mount Hydraulic disc brakes which deliver fuss-free, powerful stopping meaning you’ll feel in complete control in all weather conditions.
Impressive Carbon frame and forks
The SLR 8.9c uses the same aero tube profiles and geometry as the top of the range SLR 9.6, with our C7 carbon being used in both frame and fork. The frame is designed to combine great stiffness and ride quality whilst the aero tube profiles give riders more speed for the same effort. Features such as the integrated seat clamp reduce drag, whilst dropped seat stays and the full carbon fork help maintain comfort. The stiff, oversized PF86 bottom bracket area means that the bike responds instantly when you put the power down.
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.

Boardman SLR 8.9 Disc Mens Road Bike 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 SLR 8.9 Disc accessories

Shimano PDR 550 Pedals will give you even more power as cleated pedals enable a much more efficient pedal stroke. Your safety matters and we’d always encourage you to wear a helmet – in this case our Halfords Advanced Road AER Helmet is adjustable and aero for maximum comfort. To keep you riding all year round SKS Raceblade Pro Mudguards will keep you and your bikes clean and mud free.

Maintain your Boardman SLR 8.9 Disc

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

*Please see our T&C's here

Check out the rest of the Boardman Road Bike range

Trading up?
Trade up to SLR 9.2 Disc for:

  • Shimano Ultegra Disc Goupset for slick performance shifting and improved braking

Size Guide

Click to find out how to measure your inside leg

Height (cm) S M L XL
Height (cm) 170 - 179 177 - 183 181 - 189 187 - 195
Inside Leg (cm) 74 - 82 78 - 85 82 - 89 86 - 94

Geometry Table

Size S M L XL
Stack 546mm 567mm 588mm 603mm
Reach 378mm 387mm 390mm 401mm
Seat Tube C-T 485mm 500mm 525mm 545mm
Effective Top Tube 540mm 555mm 570mm 585mm
Head Tube 140mm 160mm 180mm 195mm
Head Angle 72° 72.5° 73° 73°
Seat Angle 73.5° 72.5° 73° 72°
Chainstay Length 410mm 410mm 410mm 410mm
Fork Offset 48mm 48mm 45mm 45mm
 Bottom Bracket Drop 68mm 68mm 68mm 68mm
Crank Length 170mm 170mm 172.5mm 175mm
Stem Length 90mm 100mm 110mm 120mm
Handlebar Width 400mm 420mm 420mm 420mm
Seatpost Length 350mm 350mm 350mm 350mm

Additional Information:

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