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The Shimano Bottom Bracket BSA 68mm/118mm 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, it fits frames with a 68 mm bottom bracket shell and is matched to cranksets that require a 118 mm axle length. This makes it a popular choice for many city, trekking, MTB, and older road bikes that use square-taper or similar crank interfaces. Shimano’s proven bearing quality helps keep your drivetrain running quietly and consistently, even under daily commuting or training loads.
Ideal for riders who value durability and low maintenance, this bottom bracket is built to withstand wet weather, dirt, and regular use with minimal fuss. The sealed bearing design helps keep contaminants out, extending service life and reducing the need for frequent overhauls. Whether you are refreshing a well-loved bike, completing a drivetrain upgrade, or building up a dependable commuter, the Shimano Bottom Bracket BSA 68mm/118mm offers a straightforward, cost-effective solution that restores crisp pedaling and a solid, play-free crank feel.
