What are the common signs and symptoms of a loose bottom bracket on a bicycle, and how can it be properly tightened to ensure safe and efficient riding?

Common signs of a loose bottom bracket on a bicycle include creaking or clicking noises, a wobbly feeling in the pedals, and difficulty shifting gears smoothly. To properly tighten a loose bottom bracket, you will need specific tools like a bottom bracket tool and a torque wrench. First, remove the crank arms and then use the bottom bracket tool to tighten the bottom bracket cups. Make sure to follow the manufacturer's specifications for torque settings to ensure safe and efficient riding.