OutBraker Double Brake Booster for Trail Guard One-Handed Dual Brake Control
With OutBraker Double Booster – New Version Double Booster! It’s easy to install and compatible with existing hydraulic brake systems. We stand behind the quality of the OutBraker ABS system. “Hydraulic Brake Booster”, “Brake Power Booster Bike”, “Adaptive Bike Braking Upgrade”, “One-Hand Bike Brake”.