bike chain problems. please help. (also a video to help)?

  • Thread starter Thread starter skyler
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skyler

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bike chain keeps falling off. i know how to put it on. it will stay on if i turn the pedal backward, but when i try to make it pedal forward (to make the wheels move) it will move the wheel a little bit but then the chain will slide off the chain. i know that the chain isnt too greasy because i cleaned it off to see if that was the problem. it kinda looks like the gear that turns the chain is out of line or something. but i dont know that much about bikes so please help me. it will be very appreciated =]

here is the link to the video i took, maybe it could help tell what the problem is.. =[

http://www.youtube.com/watch?v=50ghChWD6jE
 
I watched your video and due to the low light conditions it is very hard to see much. Certainly doesn't make sense that it would stay on in one direction and not the in the other.
 
Put it back in place but this time pass your finger through the hole chain "wheel" or whatever is called and apply pressure, Every single part of the chain has to be well fitted, in both chain wheels.

If it has gears, make sure you dont have 1 on the left and 6 on the right, or 3 and 1, some bikes that havent been well designed have this problems, but it looks like a bmx so try what I said first.
 
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