Pit Bull rock beast XL 1.9 scale tires// (2) two tires per packet with (2) two - foam & (1) decal sheet. Alien compound The rock beast XL 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-incrediblee stickiness and exceptional TRACTION. You'll be seeing this bad mammer Jammer on the podium very soon...And probably already have!!! 4.75x1. 7-1.9 Alien Kompound- Super sticky - "stickier than alien snot!" - Great wet or dry. These suckers will hold on in off-camber situations. This tire is a gamechanger #game Over. Don't believe us...Really...Don't. Wait until someone else is running them and you will see for yourself. You've been asking us to make a taller rock beast 1.9 with a little more spacing. We've done that and more!