Bicycle bottom bracket bearing press for Sram Dub
thingiverse
This tool is designed specifically for removing pressed-in Sram Dub press-fit bottom brackets, mirroring the functionality of Park Tool's BBT-90.3, but with a larger diameter tailored to accommodate Sram's 29mm axles. Unlike Shimano bottom brackets, which feature 24mm axles, this tool will not work on those models. Crafted from plastic, it absorbs some of the impact when struck with a mallet, which can result in needing to apply more force compared to using the metal version. To achieve effective results, you'll need to print this tool with extra strength. To maintain the tool's open position while removing the bearings, I recommend inserting the handle of a screwdriver on the opposite side and pounding gently but firmly.
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