This is a Traxxas set of 2 Rubber Shielded Ball Bearings # 5515 for use on the Traxxas Revo truck or anywhere else that a 5x10x4mm ball bearing is needed.
We are ordering more Traxxas Revo Hop Ups and Upgrade Parts as they become available. Click the link below to see all the Traxxas Revo Hop Ups that we currently have in stock (with much more on the way). CLICK HERE TO SEE MORE TRAXXAS REVO HOP UPS AND UPGRADE PARTS.