Rotor's BSA 30 Bottom Bracket is the solution to your quest to pair a modern, 30mm axle with your favorite English-threaded frameset. It's available in variations to suit both 68mm and 73mm shell widths, with the durability to last over the miles coming complements of a precisely CNC-machined alloy body. The BSA 30 also utilizes steel bearings for a long life and smooth rolling, with protective seals adding a dose of confident protection.
