How wide is too wide for road bike tires? We know that wider tires are faster, but how wide can you go until this stops being true? Hank and Alex are back with more GCN Does Science to test out three different tire widths: standard 26mm, chunky 35mm and supersize 50mm. How much does tire width really affect comfort, confidence, bike handling and speed?

00:00 Intro
00:50 Wider = Better?
02:00 The Experiment
03:52 Cornering 26mm
04:19 Cornering 35mm
04:48 Cornering 50mm
05:30 Cornering Results
07:39 Descent 26mm
09:06 Descent 35mm
09:45 Descent 50mm
10:51 Descent Results
12:37 Conclusions

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