SRAM FORCE 1X WIDE D2 165x40 DM DUB NoBB IR BK Game of Thrones' biggest moments: Renly Baratheon's shadowy death. Single ring drivetrain simplifies functionality and reduces weight Longer DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross compatibility across brands Sram X Sync wide tooth, narrow tooth chainring technology provides maximum chain control Wide chainline crankset to fit the biggest gravel tires Compatible with 135mm, 142mm and Boost rear spacing Updated black and iridescent grey colorway and graphics Can be upgraded to a power meter