You also need some clearance because of the flex in the wheel. What you don't need on a city bike is... a 55c tyre :)
What you don't need on a city bike is... a 55c tyre
Schwalbe beg to differ
@gbj_tester started
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You also need some clearance because of the flex in the wheel. What you don't need on a city bike is... a 55c tyre :)