Skateboard Trucks by Preferred Deck Width

Truck hangar width: 3.0", 3.5", or 4.0"
Micro: 6.75" or less

Truck hangar width: 4.0" - 4.5"
Mini: 6.75" - 7.0"

Truck hangar width: 4.75"
Mid: 7.1" - 7.37"

Truck hangar width: 5.0" or 5.25"
Full: 7.5" +

Truck Height:
Lo's: Perfect for the technical street skater that likes to ride with tight trucks; less clearance between the deck and wheels
Mid's: The standard in truck height; prefect for all terrains and skateboard decks
Hi's: Perfect for longboard cruising skater who likes to ride loose trucks; greater clearance between the deck and wheels