DUB BB30 73 Wide Ceramic Press Fit BB BB30 Spindle: 28.99mm Width: 73mm Diameter: 42mm

This ceramic bottom bracket is designed for DUB spindle cranks. With SRAM Model ID BB - DUB - BB30 - A1, it features a 73mm BB shell width, 42mm cup diameter, and 28.99mm crank spindle diameter. The bearing is made of ceramic, and the primary color is black. It has a DUB interface and BB30 shell type, offering high - quality performance for your bike.

Using this bottom bracket is easy. First, make sure your bike's BB shell matches the 73mm width and 42mm cup diameter of this product. Then, press - fit the bottom bracket into the shell carefully. When installing the crank, ensure the 28.99mm spindle fits properly. As for maintenance, keep it clean and dry. After riding in wet conditions, wipe it down thoroughly. Avoid using harsh chemicals to clean it as they may damage the ceramic bearings. If you notice any unusual noises or play, it's time to check the installation or consider replacement.