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The CEMA DUB/M30 Werkzeug is a dedicated workshop tool designed for installing and removing bottom brackets and crank systems that use SRAM DUB and M30 standards. Built for precision and durability, this tool helps you achieve a secure, creak-free fit when working on your drivetrain. Its carefully shaped interface engages the bottom bracket or crank components firmly, reducing the risk of slipping or damaging expensive parts during service. Whether you are a home mechanic or a professional, this tool makes bottom bracket work more controlled, efficient, and reliable.
Thanks to its robust construction, the CEMA DUB/M30 Werkzeug is made to withstand repeated use in demanding workshop environments. It is typically used together with a standard ratchet or torque wrench, allowing you to apply even, accurate force when tightening or loosening components. This improves both the longevity of your parts and the quality of your bike’s performance. Ideal for routine maintenance, upgrades, or complete rebuilds, this tool is a smart addition to any mechanic’s toolbox who regularly works with modern crank and bottom bracket systems.
