SRAM AM BB DUB BSA 73 SB+ bottom bracket (00.6418.019.000)

The SRAM AM BB DUB BSA 73 SB+ bottom bracket is designed for cyclists seeking a reliable solution for mounting cranks with a DUB axle. Its thoughtful design allows for efficient power transfer while ensuring drivetrain stability in demanding off-road conditions.

Compatibility with the DUB system

The SRAM AM BB DUB BSA 73 SB+ model is optimised for compatibility with crank axles of 28.99 mm in diameter, guaranteeing compatibility with SRAM DUB technology. The applied standard allows for broad adaptability to modern drivetrain systems, supporting both efficiency and durability of components. As a result, the bottom bracket serves as a flexible base for a wide range of SRAM cranks.

BSA design and installation parameters

The SRAM AM BB DUB BSA 73 SB+ bottom bracket features a BSA threaded mounting type, which facilitates installation and provides high rigidity of the connection with the frame. The shell width of 73 mm enables use in many MTB frame models compatible with this standard. The robust design supports proper chain line alignment and long-lasting drivetrain performance.

SRAM AM BB DUB BSA 73 SB+ - features:

• Compatibility with SRAM DUB technology and 28.99 mm axles;
• Uses Gutter Seal sealing to limit exposure to contaminants;
• Design based on the traditional threaded BSA standard;
• Bottom bracket shell width suitable for 73 mm frames;
• Designed for efficient operation in MTB drivetrains;
• Effective bearing protection against moisture and dust;
• Secure and rigid mounting in the bicycle frame;
• Stable power transfer to the crankset;
• High sealing performance due to the innovative sealing system.