XD870 BOMBER | Finish MATTE BLACK | size desc 20X10 | lug count 8.0 | bolt pattern metric 8X170 | bolt pattern standard 8X170 | offset -18 | backspacing 4.79 | centerbore 125.1 | load rating metric 1678.0 | load rating standard 3700.0 | division 10 | barrel config R | shipping weight 49.66 | box label desc M-BLK | finish warranty nan | structural warranty nan | rivet part no BRDGRBOLTB | lip depth 1.94 | construction type Cast Aluminum | bolt pattern mm17259 170