Originally Posted by
Fumbles22
EDIT: Also, when I installed the cassette, I just screwed it on with my hands. I didn't tighten it with anything. Was this right?
For Shimano cassette, the spec is 260-434 inch-lbs, (22-36 ft-lbs).
http://www.parktool.com/blog/repair-...s-and-concepts
In my experience, that is more than you would think is necessary, and you likely wouldn't apply that much force if not using a torque-wrench.