SHOCKWAVE | Finish GLOSS BLACK W/ MILLED SPOKES | size desc 20X9.5 | lug count 5.0 | bolt pattern metric 5X127 | bolt pattern standard 5X5.0 | offset -18 | backspacing 4.54 | centerbore 71.5 | load rating metric 1020.0 | load rating standard 2250.0 | division 10 | barrel config S | shipping weight 40.4 | box label desc G-BLK MILL | finish warranty ONE YEAR | structural warranty LIFETIME | rivet part no NONE | lip depth 0.31 | construction type Cast Aluminum | bolt pattern mm2630 127