2024 YT Jeffsy Unboxing and Set Up

2024 YT Jeffsy Core 4 unboxing, set up, and tips. This is my third Jeffsy (2018 and 2022 previously) and it's by far the best one yet! Hopefully this is useful, helpful, and/or educational. Let me know if you have any questions or comments. First ride review/impressions here:    • 2024 YT Jeffsy Core 4 - First Ride Review!   I am 5'10" and went with the Large frame again. The Core 4 was the way to go for me (RockShox for the win), but all the different build options are excellent depending on your skill level and budget. I am not sponsored by anything, just love riding great bikes.