Motorcycle Track/Road Data loggers

Any1 know anything about them??? Ive been googling for a while found a bit bout them but need some more info.

Mainly what have been know to log? Ive gathered track position throttle usage rpm etc…anything else…does it measure ure lean etc??

Any info would be awesome…

What make was it…im not gonna buy one just something i was considering making for a project of mine just need some ideas abiut whether its already been done…

Cheers

thinking about making a stunting tool of some sort but unsure about competitors on the market and logistics…so just wanted a general idea…

Thanks…