Jeff Lenosky, Hardtail Party, Dusty Betty(Hardtail Party's wife), Park Tool, World Wide Cyclery, Mahalo My Dude, IFHT Films, BCpov & Van Girl Yuka(BCpovCs wife).
Jesse Melamed
Remy Metallier
Skills with Phil
Lenoski
Occasional GMBN, mostly Neil videos
Kyle and April videos are pretty good from an instructional standpoint
alec steele (blacksmithing)
Grind hard plumbing co (powerwheels gocart fabricators)
Smarter Everyday (really in depth learning topics)
Tech Ingredients (long form well explained engineering projects)
colinfurze
Sam Pilgrim
Casually explained