Originally Posted by Canker

You don't need boost spacing to upgrade to 11 speed or 12 speed for that matter. And now that Sunrace makes a 12 speed cassette that fits the normal freehub body you don't even need Sram's XD driver body to go to 12 speed which I would seriously consider if I were going to bother upgrading from 10 speed at this point. Speaking of which sunrance also makes a 11-40 and 42 range cassette for 10 speed.