What do i use to remove cranks from a bmx bike to install a new sprocket.?

Question

Also what do I need to remove the freewheel to install a new one.

Answer 1

One piece you use an adjustable wrench,and for three piece you use an allen wrence.For the freewheel u need to get a special tool or take it to your local bike shop.If neither of these are available, the u could try a hammer and screwdriver but this isn't very effective.

Answer 2

uh depends, do u have a 3-pc crank or 1 piece. if you have a 3-pc you use a allen wrench and unscrew the pedal crank.

Answer 3

i use a 9 millametah