No real downside beyond aesthetics. It does a better job keeping the slop inside if wider and gives more room to avoid stuff getting jammed.
I might return the 45mm version I ordered and get some 53s then! I might like some fatter tyres at some point anyway. Thanks for that.
@ltc started
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No real downside beyond aesthetics. It does a better job keeping the slop inside if wider and gives more room to avoid stuff getting jammed.