This is a 2 pack of Traxxas 5x11x4mm blue rubber sealed ball bearings for the Revo. Rubber-sealed ball bearings provide smooth, long-lasting and precise driving. Especially in dirt environments, rubber-sealed ball bearings provide the ultimate protection.
Inside diameter: 3/16" (5mm).
Outside diameter: 7/16" (11mm)
Width: 5/32" (4mm)
Includes: (2) 5X11mm ball bearings