By Mike Garrison
The RS PRO 1-S uses the same ULR platform as the popular RS PRO ESC. Our built-in advanced booster circuit provides consistent servo power throughout the entire run with no performance fade. Extremely low on-resistance delivers the absolute most power possible to your motor which translates to faster lap times. HotWire compatibility, compact size and industry-leading support make the RS PRO 1-S your best option when it comes to Spec class racing. Available now!