Boardman SLR 8.6 Mens Road Bike 2021 - S, M, L, XL Frames
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Boardman SLR 8.6 Mens Road Bike 2021 - S, M, L, XL Frames 364926

Boardman SLR 8.6 Mens Road Bike 2021 - S, M, L, XL Frames is rated 4.4 out of 5 by 10.
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  • Verstaile Shimano Claris 2x8 gearing
  • Alloy frame and full carbon fork
  • 25mm puncture resistant tyres

Step 1: Choose A Size

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Step 2: Would You Like It Built?


You can either collect your built bike in store or have it delivered. Learn more

  • FREE - Bike Built and Collected In-store (per bike)
  • £30.00 - Bike Built and Delivered (per bike)

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Boardman SLR 8.6 Mens Road Bike 2021

  • Gears: Shimano Claris 16-speed drivetrain with 11-32T for slick shifting with a wide range of gears
  • Frame: Lightweight Alloy with smooth welds for easy handling and clean lines
  • Forks: Full Carbon forks offer low weight and reduce road vibration
  • Brakes: Tektro R315 brakes for controlled and powerful stopping
  • Wheels: Boardman wheels and 25mm Puncture Resistant Vittoria's Zaffiro tyres for a great balance of grip and comfort

Critically acclaimed for its balance of speed and comfort, the first generation of SLR 8.6 has been a trusted companion for many riders and bred with the DNA of the range-topping 9 series it built a reputation of delivering outstanding performance at a wallet-friendly price. For 2021 the SLR 8.6 gets a facelift as well as a top-to-bottom review to ensure it is the perfect bike to help you find a passion for road cycling.
The new Boardman SLR 8.6 Road Bike uses a redesigned, triple butted 6061 aluminium frame evolved from the first generation SLR 8.6 and 8.8, featuring aero tube profiles and endurance geometry. The curved, dropped seatstays in particular not only provide more comfort but give the bike a purposeful look. Full carbon forks save weight and also vitally reduce vibrations, giving increased comfort and increased confidence to push on and start to better your times with every ride. Riders loved the drivetrain on the previous SLR 8.6 because of its great gearing range - this has been updated and increased so whatever may lie on your route, you’ll have the gears to beat the challenge. Finally, 25mm Vittoria Zaffiro tyres have been selected as they’re grippy, comfortable and fast but also puncture-resistant meaning you can put in the miles and give your full focus to the ride.

More About The New Boardman SLR 8.6 Road Bike

Reliable gearing with great range

Part of the reason for Shimano’s incredible reputation is their drive to make every product in their range the best it can be. The Shimano trickle-down technology programme ensures that everything they learn on their top-end components makes it into the rest of their range. The Claris R2000 groupset found on the SLR 8.6 features Dual Control levers and a Hyperglide cassette, technologies developed on the top-tier Ultegra and Dura-ace groupsets. On the SLR 8.6 the drivetrain is fitted with a 11-32T cassette paired with a 50/34T chainset to give a wide range of gears meaning hills won’t be an issue whether you like to get in a low gear and spin or get out of the saddle and charge up inclines.
Lightweight alloy frame and Carbon Forks

Inspired by the higher-tier Carbon-framed bikes, the SLR 8.6 gets dropped chainstays and clean lines, thanks to smooth welds, delivering a bike with looks that back up its amazing spec value proposition. Carbon forks soak up those small vibrations thereby smoothing out the road and making all-day rides more achievable and enjoyable.
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. Bar width and crank length are also reduced for different frame sizes to make sure they are suited to the fit needs of real cyclists, not just based on old traditions. These changes also reduce the rider’s frontal area, which has been wind tunnel tested to reduce drag, meaning less effort required for the same speed!

Boardman SLR 8.6 accessories

Shimano PDR 550 Pedals will give you even more power as cleated pedals enable a much more efficient pedal stroke. 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. And, 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 8.6

If you plan on using your Boardman SLR 8.6 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 8.6 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 8.6 safe in the knowledge that it’s built to last.

Boardman SLR 8.6 Road Bike Extra Info

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

Trading up?
Trade up to SLR 8.8 for:
  • Mechanical Disc Brakes for incredible stopping power in all conditions
  • Shimano Tiagra 2x10 groupset for more incremental gear selection with a premium feel

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 547mm 568mm 589mm 604mm
Reach 378mm 384mm 390mm 400mm
Seat Tube C-T 515mm 530mm 555mm 575mm
Effective Top Tube 540mm 552mm 570mm 585mm
Head Tube 140mm 160mm 180mm 195mm
Head Angle 72° 72.5° 73° 73°
Seat Angle 73.5° 73.5° 73° 73°
Chainstay Length 415mm 415mm 415mm 415mm
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 400mm 420mm 420mm

Additional Information:

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

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.