From the FAQ:
Q: What is the difference between the Fully-Guided registration and the Self-Guided fee?
A: We offer pricing levels based on the services offered and what experiences you wish to partake in. Think of the Fully-Guided fee as a ‘done-for-you’ motorcycle touring experience. It’s a turn-key experience for those who wish to enjoy the ride and enjoy a premium service. We include experienced ride guides (which you can ride with nor not – up to you!), chase vehicles, breakfasts and dinners (except dinners on rest days), exclusive SCMR2020 events and access to everything on the ride. We take pride in offering a high-value program without hidden fees and surprises, and the registration pages list what’s included in each registration type. The Self-Guided registration is designed for those riders who want to be self-sufficient, pick and choose what they want to participate in along the way, and perhaps save a little money by not attending everything. The Self-Guided registration fee includes you in the event on a pay-as-you-go basis. Yes, you have to register as one or the other in order to gain access to the event.