Train Wheel with 2 x 2 Stud Center, Traction Teeth

Reference

upn0384a

BrickLink® #

wheel1a

Train Wheel with 2 x 2 Stud Center, Traction Teeth (part upn0384a) is a LEGO element. CollectORbuild's catalog records it in 18 sets, including Ambassador Set and Basic Building Set with Train.