Fitment: replacement for Traxxas, replacement for HPI, replacement for Associated, replacement for Tamiya, replacement for Kyosho, and many other popular vehicles
Material: made of steel for long service life, single row double sided seal, deep groove raceway bearing steel, high efficiency and low noise
Features: uniform hardness, wear resistance, high temperature resistance, and double shielded rubber cover can avoid contaminants entering ,help to save lubricant