The rims are made of aluminum sheet metal rolled and then welded together to form a cylinder using "Friction Stir Welding", a patented welding process by pressing a rotating tool into the joint line(see diagram).The welding creates low heat below the melting point which does not alter the aluminum property (the same technology is being applied on Airbus A380 one-piece aluminum wing skin made by joining many small stripes of aluminum sheet using Friction Stir Welding).
Finishing of the outer rim is hand polished to a mirror finish.The inner rim is a natural matt grey of heat treated aluminum. All centre discs are sand blasted, chemically treated before applying one coat of powder prima, two coats of wet paint then one final clear coat. All wheels are subjected to VIA certification conducted in-house.
From rim spinning, centre disc casting, machining, painting and assembly are all performed under one roof to ensure strict quality control. The manufacturing facility complies to ISO9000.
With increments of 1/2" outer rims ranging from 1" up to 5.5" along with the same increment of inner rims from 4.5" to 10", the combinations will provide wheel sizes up to 13.5" in width. For the time being, 17",18, 19" and 20" diameters are available, very soon 22" will be added into the program. Three different thicknesses of back pads on the centre discs are made to suit modern cars with large brake calipers. For cars with different widths front and rear, the offset can be adjusted by the combination of back pad thicknesses with rim sizes in order to give a maximum deep dish look.