Engineered for optimal drivetrain performance, the SRAM DUB BB30 73mm Bottom Bracket delivers a robust and reliable solution for modern mountain bikes with a 55mm chainline.

The SRAM DUB BB30 73mm Bottom Bracket is a meticulously crafted component designed to seamlessly integrate SRAM DUB cranksets into BB30 frames with a 73mm shell width. Crucially, this bottom bracket is specifically optimized for a 55mm chainline, accommodating the wider clearance and spacing of modern mountain bike frames. Featuring durable bearings and enhanced sealing, it provides robust protection against dirt and debris, ensuring smooth, quiet rotation and efficient power transfer. This bottom bracket is an essential choice for maintaining peak drivetrain performance on your specific mountain bike setup.

• Compatible with BB30 frames (42mm ID, 73mm width) and SRAM DUB MTB cranksets.
• Specifically optimized for a 55mm chainline to fit modern mountain bike frames.
• Durable bearings and enhanced sealing provide robust protection for MTB use.
• Ensures smooth, quiet rotation and efficient power transfer.
• Ideal for mountain bikes with specific frame and chainline requirements.