Tyrepower Maclean
Outside of a Tyrepower store, looking at side of red, blue and white painted building.

BBS Forged RI-A Diamond Black

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RI-A Diamond Black Diamond Black

This wheel features the same design as one supplied by BBS to SUPER GT, the pinnacle of racing in Japan. Antislip paint helps minimize slipping between wheel and tire, while steel bushings help prevent damage to the nut hole from repeated installation and removal of the wheel. In every detail, this wheel is designed to offer the functionality and reliability required to withstand the toughest conditions.

Available Sizes



Wheel Details

This wheel features the same design as one supplied by BBS to SUPER GT, the pinnacle of racing in Japan. Antislip paint helps minimize slipping between wheel and tire, while steel bushings help prevent damage to the nut hole from repeated installation and removal of the wheel. In every detail, this wheel is designed to offer the functionality and reliability required to withstand the toughest conditions.


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Size Range

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Size Stud Pattern Alt. Stud Pattern Offset Hub Diameter Taper MWL
18"
18" x 7.5" +48ET 5/100 5/100 - +48ET 70 Conical
18" x 7.5" +48ET 5/112 5/112 - +48ET 82 Conical
18" x 7.5" +48ET 5/114.3 5/114.3 - +48ET 82 Conical
18" x 8" +45ET 5/112 5/112 - +45ET 82 Conical
18" x 8" +45ET 5/120 5/120 - +45ET 82 Conical
18" x 8.5" +34ET 5/120 5/120 - +34ET 82 Conical
18" x 8.5" +35ET 5/114.3 5/114.3 - +35ET 82 Conical
18" x 8.5" +40ET 5/114.3 5/114.3 - +40ET 82 Conical
18" x 8.5" +43ET 5/100 5/100 - +43ET 70 Conical
18" x 8.5" +45ET 5/112 5/112 - +45ET 82 Conical
18" x 8.5" +48ET 5/130 5/130 - +48ET 71.6 Conical
18" x 9" +38ET 5/112 5/112 - +38ET 82 Conical
18" x 9" +50ET 5/120 5/120 - +50ET 82 Conical
18" x 9.5" +22ET 5/114.3 5/114.3 - +22ET 82 Conical
18" x 9.5" +23ET 5/120 5/120 - +23ET 82 Conical
18" x 9.5" +35ET 5/114.3 5/114.3 - +35ET 82 Conical
18" x 9.5" +40ET 5/120 5/120 - +40ET 82 Conical
18" x 9.5" +45ET 5/100 5/100 - +45ET 70 Conical
18" x 9.5" +50ET 5/114.3 5/114.3 - +50ET 82 Conical
18" x 10" +40ET 5/130 5/130 - +40ET 71.6 Conical
18" x 10" +58ET 5/130 5/130 - +58ET 71.6 Conical
18" x 10.5" +18ET 5/114.3 5/114.3 - +18ET 82 Conical
18" x 10.5" +25ET 5/120 5/120 - +25ET 82 Conical
18" x 11" +50ET 5/130 5/130 - +50ET 71.6 Conical