Seismic Tekton Ceramic...
<p><span style="font-size:small;">Set of eight (8) bearings with integral flanged half-spacers and black silicon nitride ceramic balls.</span></p>
<p><span style="font-size:small;"><em>The bearing behind the </em></span><span style="font-size:small;"><em>2011 IGSA World Downhill Championship Victory!</em></span></p>
<p><span style="font-size:small;">Already in a class by itself, black ceramic balls send the self-aligning Tekton design to <em>a whole new realm of fast</em>.</span></p>