Vintage bicycle frame with modern parts?

What to pay attention to if you're using a vintage frame to build a bicycle. Contents - 00:00 Introduction - why use a vintage frame? 03:05 Inspecting the frame 03:38 Bottom bracket standards 06:54 How to tell which BB standard it is? 08:42 Old press-fit BB standard 09:57 Threaded fork 11:43 Quill stems 13:11 Ahead (threadless) stem mounting 16:07 Down-tube friction shifters 17:45 Rear dropout spacing 20:19 Centering the rear dropouts 23:28 Widening the rear dropouts 25:10 Straightening the dropouts 27:28 Other possible problems Useful links - Indexed list of all my videos (sorted by categories, with tags, searcheable): https://www.bikegremlin.com/youtube/ If you have any questions, please use the BikeGremlin forum - I try to respond to every comment, but YouTube sucks at notifications, especially when it comes to any follow-up questions. https://www.bikegremlin.net/ Article on this topic (vintage frame)- with a few more details: https://bike.bikegremlin.com/12333/vi... Threaded bottom bracket standards: https://bike.bikegremlin.com/1634/bic... Bicycle frame materials (carbon, steel, aluminium, titanium) pros and cons: https://bike.bikegremlin.com/11144/bi... Stem types and dimension standards: https://bike.bikegremlin.com/3729/bic... Down-tube housing stops (Amazon affiliate link): https://amzn.to/3dpomPi SKS mudguards for road bikes: https://amzn.to/3cLDffO Vintage fork dropout width (90 mm vs 100 mm):    • Front (fork) wheel dropout width ( vintage...   List of all the BikeGremlin videos, sorted by categories: https://www.bikegremlin.com/youtube/ Camera: Srdjoni from 2bike.rs forum - million thanks! :) id: 1049