Shimano Deore Sm Bb52 Hollowtech Ii Mountain Bike Bottom Bracket 68/73mm Bb52 Mountain Bicycle Bottom Brackets - Bicycle Bottom Brackets - AliExpress
Shimano Alivio Sm-bb52 Bottom Bracket Deore M6100 Series Threaded Hollowtech Ii 68/73 Mm Shell Width - Trekking Original Parts - Bicycle Bottom Brackets - AliExpress