Castle Creations Sidewinder 4 Sensorless ESC Upgrade for 1/10 RC Vehicles,Unisex Adult, Black

The highly versatile SIDEWINDER 4, FEATURING CRYO-DRIVE TECHNOLOGY can be used in rock crawling applications with brushed motor (down to 19T) or bundled with one of our super-efficient high-powered brushless 4-Pole motors.  The ESC accepts 2s-3s LiPo (6-8 cell NiMH) input voltage and is designed for use in R/C vehicles up to 6.5lbs. with battery, ready-to-run. The waterproof design and splash resistant 30mm fan allow for use in nearly environment. Easily tune and update the ESC with USB and Bluetooth programming options (sold separately) or utilize the convenient transmitter programming for six common adjustable settings. The Sidewinder 4 is proudly DESIGNED, ASSEMBLED AND SUPPORTED IN OLATHE, KS. USA.

• Brushless power from the leader in aftermarket upgrades, the Sidewinder 4 builds upon Castle's most popular platform, the SIDEWINDER 1:10 SCALE SERIES.
• The Sidewinder line of ESCs are our Sport-Class Surface Speed Controllers. They're designed to withstand the most abusive environments while keeping your ride moving fast and cool. They are sensorless and have loads of Castle Power!
• CRYO-DRIVE TECHNOLOGY combines cutting-edge hardware and software advancements to significantly increase thermal performance by reducing the amount of time the ESC’s electrical components spend generating heat. Your setup will be able to handle higher gear ratios, in heavier vehicles, with longer runs.
• COOLER TEMPS mean LONGER RUNS and MORE POWER in your SIDEWINDER 4 setup.
• Fully programmable using a Castle Link USB adapter (sold separately) and freely downloadable Castle Link Windows software or the Castle Link App for Android or iOS and a B-LINK Bluetooth Adapter (sold separately).