Bearing Material: P6 bearing steel
Ball Material: Nitrided Silicon Ceramic SI3N4
Enclosure: Two Seals
Enclosure Material: Rubber Seal
Option 1:
Needle Roller bearing(Not Ceramic) * 2pcs+ Sealed Ceramic Bearing* 4pcs+ O ring* 2pcs
for 1 pair of Speedplay pedals
Fit with Speedplay Road pedals including: All kinds of Zero, Ultra / light action Titanium & Ultra / light action Stainless, X1, X2; Won't fit X5, Ultra / light action Chrome-Moly, Frog, Drillium
Once U win, ask me for the bearing installation Video
Option 2:
Needle Roller bearing(Not Ceramic) * 2pcs+ Sealed Ceramic Bearing* 2pcs+ O ring* 2pcs