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The CEMA Innenlager BB30A Interlock is a high-quality bottom bracket designed for smooth, efficient power transfer and long-lasting performance. Built for frames using the BB30A standard, it provides a precise interface between your crankset and frame, helping to reduce friction and improve pedaling efficiency. Thanks to its robust construction and carefully engineered bearing system, this bottom bracket is ideal for riders who demand reliability in all conditions, whether on fast road rides, gravel adventures, or daily training sessions.
This CEMA bottom bracket uses an interlock-style design to ensure a secure, creak-free fit in the frame shell. The sealed bearings help keep out dirt, water, and road grime, extending service life and reducing maintenance needs. It is a great upgrade or replacement option for riders looking to refresh a worn-out stock bottom bracket with a smoother-running, more durable solution. Compatible with common crank standards for BB30A frames, it offers an excellent balance of performance, durability, and value for performance-focused cyclists.
