This is a one-of-a-kind custom Specialized Hardrock that has been converted to run modern componentry that includes:
Shimano Alfine internal 8 speed hub
Gates Carbon Drive
Hydraulic Disc Brakes
Dropper Post by Thomson
Thomson Stem and Handlebars
Shimano Dynamo Front Hub
27.5/650b wheels
There is a lot of custom work that went into this conversion, and this is a VERY unique creature. See more pictures and read about the conversion here:
Frame is a Large/XL, it measures 22 inches center to top on the seat tube. Been used primarily as a commuter rig but is still capable of doing some old-school style mountain biking or new-school retro gravel ripping.
Please ask questions, as I'm sure you will have them. Also feel free to come check the bike out in person, it's a sight to behold.