I don't recall seeing this before, it looks like it is meant for a 120 fork, and the HA is 67.2. I've been riding a more traditional geo BXT carbon frame for a couple of years, and it's held up great. - good to see offerings in XL too.
29er Carbon Mountain Bike Frame Boost 148mm Disc Brake Hard Tail T1000 Frames | eBay
29er Carbon Mountain Bike Frame Boost 148mm Disc Brake Hard Tail T1000 Frames | eBay