Tekin have introduced the RS PRO 1-S speed controller. The RS PRO 1-S uses the same ULR platform as the RS PRO ESC. Tekin’s 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.