I honestly think Conti measure internal. I say this because all of their race tyres come up a bit larger than expected and all of their touring/hybrid tyres come up tiny compared to rival manufacturers.
So tiny! 28mm Tour Contact can easily fit a crit frame.
It's mental isn't it?!
A 47c (forty fucking seven) Touring Plus comes up the same as a Marathon Plus 35c on the same rim.
So one of those crazy tyre companies is telling porkies.
@edscoble started
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I honestly think Conti measure internal. I say this because all of their race tyres come up a bit larger than expected and all of their touring/hybrid tyres come up tiny compared to rival manufacturers.