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The Shimano Bottom Bracket BSA 107mm/68mm is a reliable, threaded bottom bracket designed for smooth, efficient power transfer on a wide range of bikes. Using the classic BSA (English) thread standard and a 68 mm shell width, it is compatible with many road, urban, and older MTB frames that use this common interface. The 107 mm axle length is typically suited to double cranksets and provides a balanced chainline for crisp, consistent shifting performance.
Built with Shimano’s proven bearing technology, this bottom bracket is engineered for durability and low maintenance. The sealed cartridge design helps keep out water and dirt, extending service life and reducing the need for frequent adjustments. Riders will appreciate the smooth rotation that improves pedaling efficiency and comfort on long rides or daily commutes. Whether you are refreshing a worn drivetrain or completing a classic build, the Shimano Bottom Bracket BSA 107mm/68mm offers dependable performance, straightforward installation with standard tools, and compatibility with many square-taper style cranksets that use this traditional standard.
