This is a pack of two replacement Yokomo 1/10 Buggy Rear Wheels. These wheels have a 12mm hex.
Wednesday, Dec 30 2020 (2 months ago)
Yokomo 12mm Hex 1/10 Rear Buggy Wheels (White) (2) (YZ-2/YZ-4/B-MAX)
Quality wheels. You can tell the difference in the way these were molded opposed to other wheel brands.