The Rock Beast Scale 1.9's are miniaturized versions of the Champion Pit Bull Rocker LT 1:1 tires. For those of you with 1:1 Pit Bull Rockers on your rigs.and have been wanting to pimp out your Scale R/C's with some Pits.here 'ya go!!! Our multi-varied tread design increases forward/reverse and lateral traction with serious biting across the footprint. These Rock Beasts have many features designed to increase speed and control while enhancing stability and contact patch. Excellent lateral bite--incredible stickiness and exceptional traction. You'll be seeing this Bad Mammer Jammer on the podium very soon. .