>>2032680You could make this work in a friction shifting setup if you didn't mind the jump to the larger ring being slow, but if you want indexing to work you need to stick with the range specified.
>>2032727no, the gap between cogs is different between 8 and 9 speed cassettes, so you won't be able to index this
>>2032403That's just the list price. Everyone knows the discounters will sell it for less. And Shimano can't set the price too low, or it will cheapen the perceived value of the bikes the new parts come on.