Why Have Bike Wheels Stayed The Same Size For 100 Years

Ever wonder why your road bike uses "700C" wheels, even though that measurement doesn't actually exist? From French engineering history to the future of gravel cycling, we dive deep into why the entire cycling industry standardised on one wheel size and why that might finally be changing.

00:00 Why are all road bike wheels the same size?
00:50 Are all wheels actually the same?
01:04 What is Bead Seat Diameter (BSD)?
02:29 Why do we call it 700C?
04:45 Why did 700C become the global standard?
05:34 Will gravel bikes change the rules?
06:51 The UCI’s role in wheel standards
08:09 The evolution of tyre size

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If you could redesign the cycling industry from scratch, would you keep the 700C standard for road bikes, or would you move to rider-proportional wheel sizes?👇

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