Notice: You will see there are two choices for the 8x14 Flanged bearings, for the option that has 4 bearings we suggest you get the 8x14 Flanged Serpent Revolution because it places the rubber seal on the flanged side for the hubs.
This is a bearing kit by Avid RC for the Serpent Cobra-B 811.
Cobra-T 811
Cobra-B 811