Gears & Drivetrain - Bottom Brackets
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Bottom brackets push or screw into the centre part of the bike to enable a chainset to move freely and spin inside it to allow for free moving pedalling. There are a variety of bottom brackets that vary in how they are installed and the compatibility of your frame. Bottom Bracket are a wear and tear part and need to be maintained and changed periodically. Depending on how much water, dirt, use your bottom bracket gets will determine how often you will need to replace your bottom brackets.