Replacement sealed bearings suitable for most 1-1/8 BMX bikes running an integrated head tube in the common 41.8mm 45 x 45 size. Races and bearings are carbon steel, and they are sold in pairs so you get both the top and the bottom.

Motive made these because many headset repairs only need the bearings replaced, not the cups and the rest of the hardware, and integrated headset bearings on their own have generally been hard to source.