BBS FI-R PLATINUM SILVER ZV

BBS FI-R PLATINUM SILVER ZV

Pole position for new lightweight made by BBS

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SKU: BBSFIRPSZV Categories: , , , , , , , , , ,

Minimum mass, maximum stability: That’s what sports car drivers want. And the BBS wheel design FI-R brings along these qualities.

SPECIAL FEATURES

An FI-R wheel for the Porsche 991 GT3, mounted on the front axle in the dimension 9 x 20 inches, weighs in at just around 7.9 kilograms. The counterpart in 12 x 20 inches for the rear axle weighs only 9.2 kilograms with a wheel load of 620 kilograms.

WEIGHT-OPTIMIZED

Because the spokes are back-milled, the optimal ratio between weight and stability is achieved for a light alloy wheel. This is achieved using a special CNC milling process, where the lateral parts that hold the wheel spokes, and are not relevant for stability, are removed to reduce the weight of the wheel‘s rotating mass.

FORGING TECHNOLOGY

Forging is a non-cutting forming process for material in a heated, solid condition. In order to generate the highest degree of material density and weight reduction at top performance from our high-strength and durable aluminum or magnesium alloys, they are further enhanced in a complex forging process. This entails placing the heated star hub or the entire wheel blank in a press and compressing it in several work steps at 5000 to 8000 tons of closing pressure to further densify the material in a special form known as a matrix. In between the individual work steps, the blank is repeatedly heated to approx. 400 degrees centigrade. As a result an optimal material structure is achieved particularly at the areas of high strain, the wheel can be dimensioned smaller, and is thereby lighter in weight.

 

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