Originally Posted by
Arasteh
I think it's all campy and it's a freewheel.
I'm not much familiar with all the terms in biking since I am new to biking. I have the pictures of my bike and the rear but couldn't post it since I'm new here.
Before going any farther with this it is very important to know exactly what you are dealing with. You have not even stated how many cogs there are on your freewheel/cassette. These details are important in order to determine what upgrades are going to be possible