If ever you’ve ridden on cobbles, you probably know a few basic truths.
Firstly, it’s quite unpleasant, bone-rattlingly so. They’re often slippery, and with a ridge at the centre that relentlessly urges you into the ditch at either side. Your momentum is sapped with every stone, and picking a good line is akin to finding a quiet corner at Glastonbury Festival.
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The tests
We used the Pedalling Efficiency Rig at Silverstone Sports Engineering hub, which allows users to test the difference between setups in a controlled, close-to-real-world recreation, or the same setup across multiple different surfaces.
Cyclingnews‘ tech writer Tom Wieckowski was our test rider, and he covered over 70km of riding on our day of testing, with over half of that coming on cobbles at close to his threshold. Naturally, we ensured he was fed and watered, and weighed him after each run to ensure he was hydrated accordingly to keep his weight constant throughout.
Specifically, the tests we ran were:
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