Checkout @ben.land101’s $10 yoke: Mountain Bike Design 101 - The Chainstay Yoke - YouTube
Maybe @ben.land101 will upload the PDF plans here.
It works with a 29x2.6 tire with 410cs and 34T ring. I also made a modified version for my fat bike
The total cost about $12.50 from SCS with them providing the bends as well.
