^ afaik the reason Mcr is very specific on tyres is that some brands / compounds don't (or historically didn't) grip the boards very well. It's a decision taken to ensure folks aren't slipping off unnecessarily.
@rhb started
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^ afaik the reason Mcr is very specific on tyres is that some brands / compounds don't (or historically didn't) grip the boards very well. It's a decision taken to ensure folks aren't slipping off unnecessarily.