KM550 RIOT SBL | Finish MACHINED W/ SATIN BLACK LIP | size desc 18X9 | lug count 6.0 | bolt pattern metric 6X139.7 | bolt pattern standard 6X5.5 | offset 18 | backspacing 5.71 | centerbore 106.1 | load rating metric 1133.0 | load rating standard 2500.0 | division 10 | barrel config S | shipping weight 36.1 | box label desc MACH-SB-LP | finish warranty nan | structural warranty nan | rivet part no D05-G | lip depth 2.11 | construction type Cast Aluminum | bolt pattern mm10989 139.7