Are you looking for more speed and less ware ? Then why not make sure your car is fully ballraced. Our RC car bearing kits use shielded roller and ball bearings to cover all the HSP and Wind Hobby models. These bearings will also fit many other brands. Select the matching scale size of you HSP or similar model for the correct set. They are currently available for 1/16th, 1/10th and 1/8th scale models.