These offset wheels are intended for grippy, hard carving and consistent, controlled slides. Double rounded lips, and a stone ground/pre-broken in surface for smooth slides out of the box. The Durians provide a smoother ride on rough roads and a little extra grip for mild downhill. Designed for freeriding: Grippy when needed with consistent slide characteristics, a good all around wheel. Features75mm diameter45mm contact patchDurometer: 83a—Purple- slidey and grippy