Blue Ox Patriot (BRK2022) Towed Vehicle Brake System - Radio Frequency Proportional Braking Unit Replaces the BRK2019 Brake System A new, smaller, profile that fits more towed vehicles (8 X 7.5 X 11.5). New, lighter design, 6.2 lbs. vs. the 9.5 lbs. of the previous Patriot Brake. Faster Extension of the braking action for quicker stops, more responsive stops.