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The Shimano Bottom Bracket BSA 68mm/113mm is a reliable, threaded bottom bracket designed for smooth, efficient power transfer on a wide range of bikes. Built around the classic BSA (English) thread standard with a 68 mm shell width and 113 mm axle length, it is compatible with many square-taper or similar cranksets commonly found on city, trekking, and older MTB or road bikes. Shimano’s proven bearing quality helps reduce friction and improve durability, so your cranks spin freely and consistently, ride after ride.
This bottom bracket is an excellent choice whether you are refreshing a well-loved commuter, restoring a classic frame, or simply replacing a worn-out unit. The sealed cartridge design helps keep out water and dirt, reducing maintenance needs and extending service life, even in wet or gritty conditions. Installation is straightforward for any mechanic familiar with BSA threaded shells, making it a practical upgrade for home mechanics and workshops alike. Choose the Shimano Bottom Bracket BSA 68mm/113mm for dependable performance, quiet operation, and long-lasting support for your drivetrain.
