ALPHA | Finish MATTE BLACK W/ GUNMETAL LIP | size desc 20X10 | lug count 6.0 | bolt pattern metric 6X139.7 | bolt pattern standard 6X5.5 | offset -18 | backspacing 4.79 | centerbore 106.1 | load rating metric 1133.0 | load rating standard 2500.0 | division 10 | barrel config S | shipping weight 46.14 | box label desc M-BLK M-GMTL-LP | finish warranty nan | structural warranty nan | rivet part no BRRBTARYSTUD | lip depth 1.54 | construction type Cast Aluminum | bolt pattern mm4212 139.7