SIERRA | Finish GLOSS BLACK W/ MILLED SPOKES | size desc 17X9 | lug count 6.0 | bolt pattern metric 6X139.7 | bolt pattern standard 6X5.5 | offset -12 | backspacing 4.53 | centerbore 112.1 | load rating metric 1020.0 | load rating standard 2250.0 | division 10 | barrel config S | shipping weight 36.5 | box label desc G-BLK-MILL | finish warranty ONE YEAR | structural warranty LIFETIME | rivet part no NONE | lip depth 1.37 | construction type Flow Formed Aluminum | bolt pattern mm893 139.7