Thunder Trucks Size Chart

Thunder Trucks Size 143 145 147 148 149 151
Equivalent Size (Independent) 109 129 139 144 149 159
Axle Length 7.125" 7.62" 8.0" 8.25" 8.5" 8.75"
Suggested Deck Width 7.4" and below 7.4" - 7.9"  7.9" - 8.12" 8.12" - 8.38" 8.38" - 8.62" 8.62" and up 
Thunder Trucks Size
Equivalent Size (Independent)
143 109
145 129
147 139
148 144
149 149
151 159
Axle Length
143 7.125"
145 7.62"
147 8.0"
148 8.25"
149 8.5"
151 8.75"
Suggested Deck Width
143 7.4" and below
145 7.4" - 7.9" 
147 7.9" - 8.12"
148 8.12" - 8.38"
149 8.38" - 8.62"
151 8.62" and up