So, walking in town this morning with Mrs. Scout, and we passed by our local bicycle shop. I started laughing, stopped to take a picture, and the Mrs. rolled her eyes at me. First time I've seen my "screen name" off the forum. 🚲 😁
Do mfgrs still use frame sizes for road bikes?A 24" bike like that one is usually for an adolescent who out grew their 20" wheel bike but isn't quite up to a 26" wheel size. Yet they sure can be fun to ride. You can toss it around like the 20" bike but have the speeds of a 26"er.
This may answer your question.An in-depth guide to choosing the road bike size chart for men, women & kids. if you read our guide you can easily find out your ultimate road bike frame size.bikepursuits.com
I'd surmize pro riders have custom frames.
I was in a high end bicycle shop one day years ago buying some tires and a lady who had just spent $30k on a bicycle asked the salesman if they offered riding lessons. They sold pro racing bikes starting at $12k 😱