_:n3bc54dfcd29944aa8a96ac08c62d8cb6xb6
<http://schema.org/text>
"There are several reasons why a bike chain keeps getting loose. The most common reasons include stretched chains, wrong size chains, incompatible drivetrain components, worn cog teeth. Bad derailleur adjustment etc. In some instances, it can also be caused by tensioning bolts not being tight enough."
<http://iloveupc.com/index-49.html>