PROTON | Finish GLOSS BLACK | size desc 21X10.5 | lug count 5.0 | bolt pattern metric 5X120 | bolt pattern standard 5X120 | offset 40 | backspacing 7.32 | centerbore 64.15 | load rating metric 907.0 | load rating standard 2000.0 | division 10 | barrel config S | shipping weight 36.91 | box label desc G-BLK | finish warranty ONE YEAR | structural warranty LIFETIME | rivet part no NONE | lip depth 0.0 | construction type Flow Formed Aluminum | bolt pattern mm2687 120