Bikes are made up of many parts that contain screws, nuts and bolts that can work loose over time. It's tempting to tighten everything with an extra tug or two before a ride to avoid squeaks and vibrations, but over-tightening your bike's parts can cause damage and reduce the life of your components. A better option is to check your bike before every ride and make tension adjustments in small increments. If you detect a wobble or rattle, tighten the bolts in that section of the bike at your next rest stop or when you get back home. This is another excellent reason why you should always carry a bike multi-tool as part of your bike gear.