LEGO Part 57999 - Train Wheel Spoked with Technic Axle Hole and Rubber Friction Band
This part appears 90 times in 14 sets.
This part appears 301 times in 41 MOCs.
This part is in 299 user's loose parts lists.
Other sites may know this part under a different ID:
LEGO Element IDs: 4289864 4621116 4621118 6148299