I'm trying to replace a sink, including a new drain fitting. The existing p-trap seems to be 2" ABS, as pictured.
The 90-degree elbow that connects to the pipe leading into the wall is threaded, with a nut connecting to the p-trap. I have found a 2-inch ABS p-trap which appears to use the same threading, so I think I can unscrew the nut, leaving the elbow in place, and replace the rest of the system out to the new drain.
The problem is that the new drain has a standard 1-1/4" tailpipe, and the replacement p-trap ends in a 2" hub. I can't seem to find an adapter that goes into the 2" hub on one side and provides a 1-1/4" slip joint on the other side. I think the 2" side should be a "spigot" fitting, but nothing shows up on the usual home improvement stores for
2" spigot x 1-1/4" slip, or even
2" spigot x 1-1/2" slip (assuming I can find a reducer gasket).
(As you can see, the existing connection is a pretty rough bodge-job using some kind of mix of putty and adhesives, and I'd like to avoid repeating that mistake.)