BrickLink - Part 56891 : LEGO Tire 37 x 18R [Tire & Tread] - BrickLink Reference Catalog
BrickLink - Part 55982c04 : LEGO Wheel 18mm D. x 14mm with Axle Hole, Fake Bolts and Shallow Spokes with Black Tire 37 x 18R (55982 / 56891) [Wheel & Tire Assembly] - BrickLink Reference Catalog
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2x Lego Wheel Tyre 37x18R Black Car Vehicle 4506553 56891 | eBay
LEGO 56891 4506553 Black Tire 37 x 18R | electricBricks : LEGO set and parts shop and database