Set of 2 Inertia Racing Products V2 Front  hub Adapters for BRP ( Bishop Racing Products )Tires and Wheels. The front hub Adapters are for the HPI Baja allowing the use of the BRP tires and wheels. You will need one set of Rear and one set of front for an HPI Baja, unlike the Losi they are not the same. These assemblies do not include spacers or the outside flange plates.  These can be purchased separately. These are new design which use two set screws to hold the separate axle (shown in photo).