This is a set of replacement blue rubber shielded 5x8x2.5mm ball bearings for Traxxas vehicles.

Compatability:
Traxxas 1/16 E-RevoTraxxas
1/16 MustangTraxxas
1/16 Race TruckTraxxas
1/16 RallyTraxxas
1/16 SlashTraxxas
1/16 Summit
Traxxas E-Revo VXL 2.0
Traxxas Nitro Slash
Traxxas Rally
Traxxas Revo
Traxxas Rustler 4x4
Traxxas Slash
Traxxas Slash 4x4
Traxxas Slash 4x4 Ultimate
Traxxas Stampede 4x4
Traxxas Telluride 4x4
Traxxas XO-1