Fission Inertia Weight:151g Yellowstone was established as the

Yellowstone was established as the FIRST national park in 1872

One of the most popular midrange discs ever made

it handles power well without becoming unpredictable

and features a unique one-of-a-kind color pattern and design

Fission Inertia Weight:151g Yellowstone was established as the9 5 2 2 The Inertia is an understable distance driver. The Inertia is the grand debut of our 20mm wing distance driver class. This class of controllable distance drivers will all have a wide weight range from 155g to 175g. This allows for an unmatched GYRO Push to give throwers increased control in their distance drives. The Inertias understable profile will allow high power throwers to achieve consistent hyzerflips that will carry far and accurately.