In 
Out13x20x4 Rubber
Product Overview
The Halo series of bearings are a high quality steel/chrome bearing with rubber seals. These bearings have been tested and proven by many racers.
13x20x4 Rubber bearing by Avid Racing Concepts is the standard bearing for the IGT8 vehicles and the Xray 808. Check your manual for the correct size for your vehicle if you are not certain.
