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abr
110bcd yes, but BB30 rather than GXP. A BSA30 bottom bracket seems like it would work with your bike (BSA 68mm), and the crankset.
https://images.amain.com/images/large/bikes/fullspeedahead/50-1777-blk-172.jpg?width=950
The outer ring has been replaced a couple years ago, bike was used as commuter. Not sure on wear right now, would need to take a pic.
Example BSA30 BB: https://www.tredz.co.uk/.Race-Face-Cinch-BSA30-Bottom-Bracket_71949.htm