amazon.com: customer reviews: rc4wd z-t0052 rock crusher x
RC4WD Z-T0052 Rock Crusher X/T 1.9 Tires (2) by RC4WD. Write a review. How are ratings calculated? See All Buying Options. Add to Wish List. Top positive review. All positive reviews › Brandon C. 4.0 out of 5 stars Inexpensive crawler tires, insane scale looks, and great performance until you get to wet rocks.