Lucky 7

[ChrisMac]

I need a 36 tooth Lucky 7 sprocket. Jenna has finally started to ride the pink Schwinn I built for her and gave last Christmas. Apparently the original sprocket is bent and keeps throwing the chain. I need very good used or new please.

I and my daughter thank you in advance

[Wildcat]

I've straightened sprockets that were bent and they did fine. I take them off and use a piece of plywood and a mallet to gently get it straight.

[ChrisMac]

I've straightened sprockets that were bent and they did fine. I take them off and use a piece of plywood and a mallet to gently get it straight.

Worth a shot

[Wildcat]

Another way to straighten it is to leave it on the bike, with the bike upside down. Turn the cranks and watch at the chain stay where the sprocket comes closest to touching. Mark the bent area, then very gently and in small increments, tap the sprocket with a mallet or piece of 2 x 4 to get it aligned. The cranks can be checked at the same time, shouldn't be any play in them. If there is, that may be why the chain jumps off too.