Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System
Anemoi Aero Extension System

Anemoi Aero Extension System

Regular price £1,495.00


Taking our hugely popular custom integrated extension concept and creating "off the shelf" and universally fitting Anemoi carbon fibre aero extensions.

Universal across nearly all base bars, the Anemoi carbon fibre aero extension system come complete with Anemoi arm rests (our standard 2 piece design), your chosen angled riser, mount plate, hand grip angle and profile, and either a Garmin or Wahoo computer mount.


A progression of our work carried out with the World Cup winning Huub Wattbike Test Team, the Anemoi aero extensions are the culmination of three years of aero extension development. Key features include:

  • Aerodynamically optimised to provide a clean flow transition from the extension to your forearm, reducing boundary layer separation, turbulence and aero drag.
  • Multiple hand grip options to suit your preferred angle and profile.
  • Fully internal mechanical and electronic cable routing (multiple route options), including internal space for Shimano Di2 5-port junction box.
  • Five riser angle options; 5/10/15/20/25 degree.
  • Five universal mount plates to account for differing reaches. Dual riser stack systems utilise two smaller plates whilst mono riser stack systems utilise a "splitter" bracket (£100 additional cost).
  • Guaranteed UCI 10cm rule compliance when running our 2 piece arm rests in conjunction with the 15 degree riser angle and the standard hand grip option.
  • The round hand grip option provides an industry standard 22.2mm diameter to accept various bar end plug designs and gear shift systems. Please note if you need to be UCI legal, then installing end plugs and shifters would alter the 10cm reference point so you may need to cut down the hand grip section to meet the regulations.
  • Available with Garmin, Wahoo or no mount.
  • 2 piece arm rests, supplied with 5mm pre-cut, laser engraved, velcro backed foam padding.
  • Entirely UK designed, optimised and manufactured.
  • Surpasses ISO 4210-5:2014 standard, the safety standard for bicycle steering components.

For a full explanation of the component adjustment, check out the Anemoi Adjustment and Customisation blog HERE. To read more about the development and history of aero extensions, check out our Optimisation & Testing blog HERE and our Historical Development blog HERE.

A full system comprises of:

  • 1x pair of extensions
  • 1x pair of specified riser angles
  • 1x pair of specified mount plates or bracket
  • 1x pair of specified hand grips
  • 1x pair of 2 piece arm rests including foam padding
  • 1x computer mount
  • All required mounting hardware, bolts and instructions
  • Supplied in 100% recyclable packaging

More information can be found on each components page; angled risers, mount plates and handgrips.


It's not always straight forward knowing what components you require to match up with your current position. Therefore we've simplified this process for you. Please download our measurement guide HERE before inputting those dimensions into our geometry tool which can be downloaded HERE. The output of which will be the components needed for your specific set up.

Once you have decided on your setup you can select the relevant component options from the selection boxes, or if you need some assistance, please email us


The Anemoi aero extensions have been tested to ISO standard ISO 4210-5:2014, the safety standard for bicycle steering components. They passed. Exceeding the standard by 260% without failure.


  • Extension body: 316g
  • Arm rests: 125g 
  • Foam padding: 22g 
  • Handgrip: 32g 
  • Angled riser: 81g 
  • Adapter plate: 120g  
  • SYSTEM WEIGHT: 696g (pair)


Custom mount plates, hand grip styles and angled risers can be manufactured at an additional cost. Please get in touch if you wish to explore these options -

If you don't see your mono riser mounting system in the selection boxes please get in touch, we can still assist with custom mounting solutions. 


If required a Notio Konect mounting can be accounted for. We utilise an additional plate which is easily mounted when using a dual riser stack system. The option will appear as an "add on" in the selection boxes if required. Alternatively if you want to explore this option with a mono riser stack system please get in touch If you're interested in buying a Notio Konect please get in touch via email.

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