A vehicle mountable electrical power generating mechanism and {HEAD ~ signal transmitter}, combined to constitute a self powered generating system mountable such as on {TAIL ~ a wheel} to monitor and provide an indication of certain operating characteristics of the wheel, such as the pressure of the tire mounted thereon 
A vehicle mountable electrical power generating mechanism and { HEAD ~ signal transmitter } , combined to constitute a self powered generating system mountable such as on { TAIL ~ a wheel } to monitor and provide an indication of certain operating characteristics of the wheel , such as the pressure of the tire mounted thereon
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