Time Trial / Time Trialling / TT

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onyerbike in reply to @gbj_tester

And bigger cogs = more efficient?

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Retro_Bastard in reply to @onyerbike

Basically what Gbj said but with graphs and stuff. I knew I'd seen this video before just didn't realise how old it was
https://www.bikeradar.com/features/friction-facts-free-speed-from-proper-shifting/

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