Speedzone Ceramic bearings & diff balls
Speedzone have released some new ceramic bearings that are of the highest quality, rated at ABEC 5 with Si3N4 Grade 5 ball bearings. Lighter than conventional bearings, they help improve the efficiency of your car and create a super smooth feel for the drive train. Available for popular kits like the Losi JRXS Type R, Xray T2’008, Speedmerchant Rev 5 and the Team Associated 12R5, Speedzone also sell Si3N4 Grade 5 ceramic differential balls that not only make your diff feel silky smooth but it will last much longer than with conventional steel or carbide balls.
Source: Speedzone [speedzoneusa.com]