How to Replace a Bottom Bracket on a Mountain Bike: A Step-by-Step Guide
To replace the bottom bracket on a mountain bike, first remove the pedals and crank arms. Then, use a bottom bracket tool to unscrew the old bottom bracket from the frame. Clean the threads on the frame and install the new bottom bracket in the same manner. Reinstall the crank arms and pedals, making sure to adjust the tension appropriately. Finally, test ride the bike to ensure everything is working properly.