sram 11-speed drivetrain package with sram xg-1175 cassette with 11-42 tooth range, sram 11-speed chain and sram x-sync 30 tooth aluminum chainring. Chainring is 94 BCD mounting. These parts were on a used bike I purchased. I road with these parts for a few months without issue before I converted the bike to singlespeed. Note the parts have all been degreased and the chain has a fresh hot wax coating.