BUILD HELP PLS. bottom bracket is 73mm with a shimano BB-RS500 with a spacer on the drive side, coupled with a SRAM GX crankset. H E L L A gap, spacers maybe?
Shimano ULTEGRA 105 TIAGRA SORA SM BBR60 RS500 Hollowtech II Road Bicycle Bottom Bracket 68/70mm R8000/R7000/4700|Bottom Brackets| - AliExpress
How to Fix a Creaking Bottom Bracket | Bottom Bracket Repair