Originally Posted by
70sSanO
Here is the bottom line. If you pay 20% more for some unknown type of chrome plating, then you should get 20% more durability. That means 3600 miles instead of 3000 miles.
I sure hope these numbers are hypothetical. 3600 miles is pretty lame for the life of any cassette unless you consistently ride in a slurry of mud and never lube your chain.