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The Shimano Bottom Bracket BSA118.5mm/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, trekking, and older mountain bike frames that use this common interface. The 118.5 mm axle length is well suited to a variety of cranksets, helping you achieve the correct chainline and stable pedaling position.
Built with Shimano’s proven bearing technology, this bottom bracket is engineered for durability and low maintenance. Sealed bearings help keep out water and dirt, reducing wear and extending service life, even in wet or gritty riding conditions. Riders will appreciate the smooth rotation and consistent performance, whether commuting daily, training regularly, or enjoying weekend rides. Ideal as both an upgrade and a replacement part, the Shimano Bottom Bracket BSA118.5mm/68mm offers dependable performance, easy compatibility with threaded frames, and the long-lasting quality that Shimano components are known for.
