Two Things: The Rule of 105 is No Longer Real, and 1 more...
Moderator: robbosmans
I put in 25mm but my point is that Silca's numbers are just theoretical numbers and going lower per their graph doesn't impose much penalty at all.
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It was in the context of hookless rims which means the max pressure is 5 bar regardless.
But I get your point... I wasn't really very clear, but I wasn't saying he doesn't know what's optimal for RR, which may indeed be > 5 bar depending on setup.
Its more that perhaps he doesn't know much about modern tyre systems in general if he thinks of 5.5 bar as being so low that it shouldn't possibly blow off a hookless rim--it's both over the limit and likely too high for most modern setups. Which I think is quite an important gap in knowledge for somebody whose job it is to work out these trade-offs.