Originally Posted by
Racing Dan
Not sure what ETRTO chart you are looking at. ETRTO recommends a max 19mm internal rim for a 28mm tyre. Some tyre manufacturers additionally allow their tyres to be mounted on wider rims, but the bulk of information out there points to 19mm as the max recommended.
Referring I assume to this chart in that article, based on the newer ETRTO guidelines (which also adds tire pressure as a 3rd factor in decisioning)
