FUEL REBEL 20X9X6H/139.7 D629 ET 01 MATTE BLACK fuel 5x4H/100 ET38 Matte Gunmetal" is

5x4H/100 ET38 Matte Gunmetal" is a 17-inch diameter

15x7: Indicates the size of the wheel

"Alnac 4G" refers to the model or product line of the tire

possibly inspired by Yamaha's signature style

FUEL REBEL 20X9X6H/139.7 D629 ET 01 MATTE BLACK fuel 5x4H/100 ET38 Matte Gunmetal" isThe "Fuel Rebel 20x9 6H 139. 7 D629 ET 01 Matte Black" appears to be a specific model of aftermarket wheels produced by Fuel Off Road, a well known manufacturer of custom wheels for trucks and SUVs. Here's what each part of the specification generally refers to: Fuel Rebel: This is the model name of the wheel, in this case, the "Rebel" model by Fuel Off Road. 20x9: This indicates the dimensions of the wheel. Specifically, it's a 20 inch diameter wheel