Yep it is a Lefty hub on a carbon Reynolds rim which was from my cannondale flash himod. Not a reynolds logo and can't find info on the hub when looking up the wheelsetThat a Lefty hub?
If so, it’s a new one on me as well.
The original wheels were from envy which i still have but these came with the bike also. I've seen the same version as mine (MY 2012) come with these wheels but can't find much info about them. It was more of a curiosity thing because I am selling the lefty front wheel and wanted to state the hub brand.I had an alloy Flash 29er, great bike.
If you know the year, you could check the archive if you haven’t already.
https://www.cannondale.com/en-gb/bike-archive