I very much doubt they come apart and even if they did I very much doubt they would go back together. You should be able to use a BMX freewheel though (assuming threads are the same which they probably are). How many teeth are on the chainring / crankset you have?
I very much doubt they come apart and even if they did I very much doubt they would go back together. You should be able to use a BMX freewheel though (assuming threads are the same which they probably are). How many teeth are on the chainring / crankset you have?