• D919 TECH BEADLOCK | Finish MATTE GUN METAL BLACK BEAD RING | size desc 15X10 | lug count 4.0 | bolt pattern metric 4X137 | bolt pattern standard 4X137 | offset 00 | backspacing 5.5 | centerbore 110.1 | load rating metric 453.0 | load rating standard 1000.0 | division 20 | barrel config S | shipping weight 24.0 | box label desc MT-GNMTL-BBR | finish warranty ONE YEAR | structural warranty LIFETIME | rivet part no NONE | lip depth 2.15 | construction type Cast Aluminum | bolt pattern mm8757 137