Sprockets Question About Sprocket

Discussion in 'Transmission / Drivetrain' started by shadoewz, Jul 22, 2011.

  1. shadoewz

    shadoewz New Member

    My husband is trying to put together my motorized bike. For some reason the back tire is wider than what is considered normal. In order to make allowances for this, my old man is telling me he has to turn the sprocket around.

    The instructions clearly say (to me, anyway) that the concave side of the sprocket should be toward the spokes. If he turns it around the convex side will be toward the spokes and I think this will not work. He says it will.

    Can anyone clarify this for us? Please and thank you.

  2. srdavo

    srdavo Active Member

    He is right. The sprocket can be installed either way.

    What ever way gives the best chain alignment.
  3. motorpsycho

    motorpsycho Active Member

    yep, it can go on either way and you can install it concave side out to get clearance between the sprocket /chain and tire.
    the main thing is to make sure that the chain is running in a perfectly straight line from the rear sprocket to the engine sprocket.
    if the chain is running at an angle when looking from the rear sprocket to the front sprocket, the chain will pop off.
  4. shadoewz

    shadoewz New Member


    Thank you for the help...and thank you for saving us an argument :)