If you don't have much experience working on a bicycle, you may want to take this to a shop to get it looked at. When you're dealing with the drivetrain, you can cause a lot of harm if you aren't careful..
__________________
"When you are chewing the bars at the business end of a 90 mile road race you really dont care what gear you have hanging from your bike so long as it works."
ΛΧΑ ΔΞ179 -
15% off your first Hammer Nutrition order!