In typical Hartmann fashion the wheel is 66.56 mm hubcentric (57.1 mm hub rings are included for vehicles with 57.1 mm hubs) and designed to use the OEM Audi R13 ball seat lug bolts, it also accepts OEM Audi centercap part # 4B0 601 170 7ZJ (or VW centercap part # 7D0 601 165 BXF).
Flow forming is a hybrid process between a low pressure cast wheel and a forged wheel. Flow forming starts with a low pressure casting which is then spun while steel rollers "form" the barrel of the wheel. This process benefits the strength and durability of the barrel while simultaneously reducing the weight of the wheel in the most beneficial area for performance (far from the center of rotation).
Hartmann has chosen a unique new finish for the new flow formed wheel. The Carbon Grey finish starts out with a black basecoat followed by a matte silver topcoat. The black basecoat tints the topcoat to give a dark silvery finish which is quite dynamic depending on the lighting. A matte clearcoat is then applied for protection.
Currently available sizing is 18x8.5" in an ET35 or ET45 offset, the ET35 offset is recommended for the S4. There is not quite enough room for balancing weights on the RS4 so we are excluding the RS4 from the fitment list. (moving the forward weights further back would allow clearance but may not give an optimal balance)
Orders can be placed over the phone at 1-877-722-4886 weekdays from 9-6 PST or online:
hartmann-ff-003-cg-18x8-5-et35-wheel-for-audi-and-volkswagen/
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Originally Posted by Jdsb6s4
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