8-1/2" diameter roll's extreme tire deformation. Watch YouTube excerpts show why you need large-diameter DYNOmite traction-grooved rolls, and reveal why (other brand) dynos' small-diameter and/or diamond-knurled (knife like) rolls are unsafe for high-speed power.

“You will need an HTML5-compatible browser, or Flash Video Player™ to view these MAX (Multimedia Animated Xplanation) narrated clips.”

Click to download Adobe Flash Player

DYNOmite Tech-Talk Library - click here to review more tech topics.

DYNOmite Video Library - click here. Click to DYNO-mite Dynamometer Video Library

For more on tire deformation and roll diameter – click here.