The Concept One CSM-5 is part of the Concave Series wheel line of cast mono block wheels. Offered in 20" diameter, with a range of widths and concave profiles available, along with custom offset and bolt patterns available. Standard finishes include Silver Machined and Matte Gunmetal with a brushed face. Custom finishes per request.

Cadillac STS | Matte Gunmetal w/ Brushed Face







Stock Finishes

Matte Gunmetal


Silver Machined


Custom Finishes[/U]

Brushed Titanium



Liquid Rose Gold


Liquid Candy Blue


Custom finishes are discussed on an order to order basis. For more information and pricing, please contact me directly at: justin@c1forged.com