Hollow Axle & Kingpin - Hollow axle trucks cut down on the materials used in the axle, so your trucks feel lighter. Hollow kingpins further reduce weight while still maintaining strength in this critical area.
Non-Compatible Risers
Risers from the following brands are not compatible with the baseplates of these trucks.
Note - Every skate truck brand represents their sizing a little differently, so it's easy to get confused. Take a look at this graphic and then reference the size chart.