Answer: Main idea: Leonardo Da Vinci had never been on a bicycle, but his ideas for them are helping create better ones for the future.
Supporting detail 1: Companies use his sketches to fix problems with bikes.
Supporting detail 2: A Company made a part for bikes in his honor that helps bike riders.
Step-by-step explanation:
You may want to add more detail, like the company's name and some evidence from the text if required.