Originally Posted by
rm -rf
I hadn't seen this calculator. It accounts for tire type, rim width, riding surface, etc. Good.
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Every calculator seems to always miss something though. This one only has one type of "Road" surface. Also it presumably tries to guess the tire width for the rim width entered. OTOH, asking for rim type is nice as it's also presumably it's building in safety factors and ETRTO standards based on PSI combined with inner rim widths. Hence why if you switch between hooked vs hookless TL rim types, the resulting recommendation drops quite a bit (which from pure theoretical performance standpoint I don't think should be case).