DUB BB30 Bottom Bracket - BB30 73mm MTB Boost 55mm Chainline Black

The SRAM DUB BB30 Bottom Bracket in black is a must - have for mountain bike enthusiasts. With a 73mm width and a 55mm chainline for Boost systems, this bottom bracket is engineered to perfection. The SRAM DUB bottom bracket series is all about connecting crankarms and ensuring a smooth, long - lasting power transfer to the drivetrain. The oversized DUB spindle is designed to work across all bottom bracket standards, making crankarm compatibility a breeze. It's specifically made for SRAM Boost cranksets with 55mm chainlines. The Gutter Seal Technology™ greatly enhances protection against the elements, and the sealed cartridge bearings offer durability. You get one oversized spindle that fits every bottom bracket standard. Technical specs include a 42mm bottom bracket shell ID, BB30 frame interface, 73mm BB shell width, SRAM DUB spindle interface type, and a sleek black color.

Using your SRAM DUB BB30 Bottom Bracket is straightforward. First, make sure your bike frame's bottom bracket shell has the right dimensions (42mm ID and 73mm width). Then, carefully install the bottom bracket into the shell, ensuring it fits snugly. Attach your SRAM Boost crankset with a 55mm chainline to the spindle. When riding, you'll notice a smooth power transfer to the drivetrain. As for maintenance, keep an eye on the Gutter Seal Technology™. If you ride in wet or dirty conditions, clean the bottom bracket regularly with a mild cleaner and a soft cloth. Avoid using harsh chemicals as they can damage the sealed cartridge bearings. Also, check the tightness of the connections periodically to ensure everything stays in place. If you notice any unusual noises or a decrease in performance, it might be time to have it inspected by a professional.