OJ Jon Dickson String Theory Original Mini Skateboard Wheels | 54mm 101A Filter Hose Type_Low Pressure Hose The purge housing drops away

The purge housing drops away when not in use

adjustable buckles

Lightweight hollow kingpin

The air cells offer 65lbf of lift in a horseshoe configuration for back-mounted tanks

OJ Jon Dickson String Theory Original Mini Skateboard Wheels | 54mm 101A Filter Hose Type_Low Pressure Hose The purge housing drops away54mm diameter 101A hardness Jon Dickson pro wheels Asymmetrical shape The OJ Jon Dickson pro wheels come in a reliable, high performance shape for better control and increased lock in on grinds. The rounded back and conical front pairs up with a wider riding surface for predictability every time. The mini 54mm size is lightweight for flip tricks, while the 101A durometer makes slides super smooth.