# Sportsmobile Express 121S

121S is a class b floor plan by Express (Sportsmobile).

## Specs (2026 model year)

| Spec | Value |
| --- | --- |
| Length | 20 ft 4 in |
| Sleeps | 2 |
| Slide-outs | 0 |

## Model years

2026. Year-specific specs: `https://rvenvy.com/class-b-motorhomes/sportsmobile/express/121s?year={year}`

## Inventory

No units currently for sale. Search similar inventory: https://rvenvy.com/inventory

Floor plan diagram: https://images.rvenvy.com/ad6c8cd71f67fe2216a8ef5fb21d0bca59bd37e81091b3d1410c5e5311876a2b/1024.webp

Canonical page: https://rvenvy.com/class-b-motorhomes/sportsmobile/express/121s