Threaded Bottom Bracket with Spacers for Bicycles

This threaded bottom bracket is precision-machined and features clear BC1.37x24T markings. It is designed for a secure fit and smooth spindle rotation. It is compatible with 68mm and 73mm bottom-bracket widths, making it suitable for mountain bikes, road bikes, and custom builds. The bottom bracket includes spacers and is constructed with a black central sleeve and knurled outer lock rings for durability and resistance to dust and dampness.