We know wider tires have a lower rolling resistance for a given pressure. We know lower tire pressures are faster on rough surfaces (anything other than super smooth surfaces). But is there a downside to running wider tires on road bikes? Si & Alex have been investigating!

Welcome to GCN 0:00
What are we trying to find out? 0:43
The bike tires we're testing 1:19
The correct tire pressure for cycling 2:15
Delivering a fair test 2:24
Cycling on 35mm tires 3:40
Do 35mm tires fit on a road bike? 5:12
Our experience with wider tires 7:26
Which tires are the best? 10:20

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📹 Does Rim Width Make A Difference? 👉    • Does Rim Width Make A Difference?  
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