These wheels utilize military aircraft quality 6061 T6 aluminum. They also come with a 3 year chrome warranty. The GCC Signature Wheels are available in 6 styles with your choice of 9 Finishes (Chrome, Red, Blue, Green, Purple, Contrast Cut, Black Polish, Orange and Gold) with sizes from 17" up to 26". The wheels fit most late model motorcycles from manufacturers including Honda®, Suzuki, Harley-Davidson®, Kawasaki, Indian®, Ducati®, BMW®, Yamaha and Victory®. Custom wheel manufacturing is 2-3 weeks. Custom colors are delivered on a 4 week turnaround.