Thunder lights trucks have a forged baseplate, hollow button head kingpin and quick turn response
~ 145 = 7.4” - 7.9”
~ 147 = 7.9” - 8.1”
~ 148 = 8.1” - 8.3”
~ 149 = 8.3” - 8.6”
~ 151 = 8.6” - 8.9”