The Aluminum Insert Bushing allows you to discard the top cup washer that your trucks came with- and crank that king pin nut down directly onto the top of the aluminum bushing with NO BLOW OUTS!!
These will fit most skateboard trucks- and will give you great turning capabilities along with a stable ride.
The aluminum insert allows you to do away with the top "cup" washer and gives you more Kingpin thread to use.
These will fit just about every skateboard truck with a shorter profile- such as Independents- Krux- Thunders- Ventures- Grind King- etc.
These will fit most skateboard trucks- and will give you the most stability but the least turning capabilities.
These are designed for taller trucks such as Paris and Randals- and will give you the best turning capabilities but the least stability.
These are designed for taller trucks such as Paris and Randals- and will give you good turning capabilities as well as stability.
With small washers! These are designed for taller trucks such as Paris and Randals- and will give you the best turning capabilities but the least stability.
