[dfinn]

i think I have a general idea but could someone give me a quick how-to. I'm switching rear wheels on my DH bike so I need to swap my casette over.

 

[BikeGeek]

with pictures.

http://www.parktool.com/repair_help/FAQcogs.shtml

 

[GumbaFish]

Yup that park step by step is very easy to follow.