Riddlers are among the best things you can use for mixed terrain. Casing isn't that bad, my resolutes are about the same thing and didn't got a flat in hundreds of miles on badly maintained British "gravel".
@Netakure started
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Riddlers are among the best things you can use for mixed terrain. Casing isn't that bad, my resolutes are about the same thing and didn't got a flat in hundreds of miles on badly maintained British "gravel".