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The SRAM Schaltwerkbefestigung 5.0/4.0/DD24/DD21 is a dedicated derailleur mounting part designed to keep your rear shifting system securely fixed to the frame. As a genuine SRAM component, it is engineered to match the interface and tolerances of compatible SRAM rear derailleurs, ensuring a precise fit and reliable performance. This mounting piece is ideal when you are refurbishing an older drivetrain, replacing a worn or damaged mount, or restoring a bike that originally came with SRAM 5.0, 4.0, DD24 or DD21 components.
By using the correct SRAM derailleur mounting hardware, you help maintain accurate alignment of the rear derailleur, which is essential for crisp, consistent shifting and reduced drivetrain noise. A solid, play-free connection between frame and derailleur also helps protect both the derailleur and the hanger from unnecessary stress. Whether you are a home mechanic or a professional workshop, keeping this small but important part on hand can save a ride when a mounting piece fails or goes missing. Pair it with compatible SRAM derailleurs and a properly adjusted drivetrain for smooth, dependable gear changes on every ride.
