Originally Posted by
himespau
If memory serves, Denalis don't use cassettes. They use freewheels, so you're not going to find one with a cassette. Just find another cheap bike on craigslist that has a working rear wheel with the same number of cogs (and is the same size) for $30 and swap the wheels. Then save the other one for other replacement parts as yours break.
That was my first thought but the back wheel is the part that usually fails first.
__________________
My greatest fear is all of my kids standing around my coffin and talking about "how sensible" dad was.