3d printed 316l stainless steel yoke from Bike Fab Supply.
model number seems to be “JB34” which isn’t exactly listed on BFS current site so I don’t know if this is older and slightly different than current offering, but here are the listed specs-
29x2.6" or 27.5x2.8" tire
34t chainring max
miter for 2" T47 bottom bracket shell
19mm round chainstays
Asking $100 shipped.
