The 7x17x5 Rubber bearing is a quality steel/chrome bearing with metal shields
12x21x5 Revolution bearing by Avid Racing Concepts is the standard outdrive bearing for nitro touring cars and 8th scale onroad cars such as the Kyosho RRR, Mugen MRX4, RPM Revo hub carriers, and Serpent 710
The Avid 7x17x5 Engine Bearing offers the amazing performance and reliability to your Traxxas engine at an unbeatable price