Have you ever wondered what the best bang-for-buck aerodynamic upgrades for road riding might be? BikeRadar’s senior tech writer Simon von Bromley and road video presenter Liam Cahill certainly have.

They recently spent some time at the Silverstone Sports Engineering Hub wind tunnel, testing all sorts of common upgrades – from aero socks to shiny new wheels – to find out which ones could make your riding faster (or easier) for less.

Senior road tech editor Ashley Quinlan hosts this discussion, joined by our two intrepid investigators.

Thanks to Stephen Roche, The Bike Tailor, for his expertise in the wind tunnel and help in making this test a reality. If you’d like to learn more about his services, you can subscribe to his channel on YouTube, follow him on Instagram or contact him via his website.

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What are the best-value aero upgrades? | BikeRadar visits the wind tunnel