I use the S20-1 almost every day to commute about 8 miles round trip. The pedal assist is smooth and doesn’t feel jumpy, even when starting from a stop. Hills that used to slow me down are no longer an issue. The fat tires feel very stable on rough city roads and potholes.
Battery life has been solid — I usually charge it every 3–4 days. It’s comfortable, easy to ride, and feels well built. Perfect for daily commuting.