Greetings from sunny Singapore! I have not done the conversion myself, but a local bike shop has done it on 50/34T using Shimano Claris R2000 Braze-On FD.
Oops I'm not allowed to post links. You can search for the LBS name, Green Basikal on facebook.
Last edited by Huggable; 08-10-21 at 02:19 AM.
Reason: added description