My 2nd purchase after my retro 189r was a TPMS.  Solar powered works like a charm, tire pressure on all 4 with ability to do 6, and tire temperature!  Temperature never much of a thought pretty constant till my trip out west this week and ambient temperatures over 100 degrees.   So question of the week for me is what is acceptable I am seeing tire temps of 110 degrees.  I know temp is major cause of tire failure but even Google has failed me on this one.
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