# Sportsmobile Promaster LB

LB is a class b floor plan by Promaster (Sportsmobile).

## Specs (2026 model year)

| Spec | Value |
| --- | --- |
| Length | 20 ft 10 in |
| Slide-outs | 0 |

## Model years

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

## Overview

The Sportsmobile Promaster LB proves that compact doesn't mean compromising on essentials. This 21-foot Class B manages to include a full bathroom, which is no small feat in the van-based motorhome world. Sportsmobile's thoughtful design maximizes every inch while maintaining the agility and fuel efficiency that makes Class B rigs perfect for spontaneous adventures and tight camping spots.

## Inventory

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

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