45A Brushless ESC Upgrade Part for MN99S 1/12 Crawler Overview This 45A brushless electric speed controller is designed as an upgrade or replacement part for MN99S 1/12 scale crawlers and other compatible 1/12 brushless crawler builds. It converts throttle input into precise motor output, enabling smoother speed control and more reliable performance with brushless motors. Key benefits Improved control and responsiveness: 45A rating delivers stable current to brushless motors for consistent throttle response during technical crawling. Direct replacement and upgrade: Designed to fit common 1/12 crawler setups, making it suitable for replacing a damaged stock ESC or upgrading for better motor control. Compact and easy to install: Low profile design fits into tight chassis spaces found on 1/12 crawlers and requires minimal modification. Durable electronic construction: Built with quality components to handle the demands of hobby use and repeated installations. What this product does Regulates power to brushless motors for precise speed and torque control. Interfaces with standard radio control receivers and throttle inputs used in 1/12 crawlers. Supports current draw scenarios common in rock crawling and slow maneuvering. Compatibility and fit Specifically compatible with MN99S 1/12 crawler models. Also suitable for other 1/12 scale crawlers or custom builds that use brushless motors and require an ESC rated around 45A. Check connector types and mounting space to confirm direct fit. Key attributes Function: Brushless electric speed controller for motor speed regulation and throttle control. Current rating: 45A for sustained motor current handling. Compatibility: MN99S 1/12 crawler and similar 1/12 brushless crawler setups. Size: Compact form factor designed for smallscale crawler chassis. Construction: Built with standard hobbygrade electronic components suited to RC applications. Practical use scenarios a burned or damaged stock ESC in an MN99S 1/12 crawler to restore all functions without extensive rewiring. Upgrade an existing 1/12 crawler ESC to improve throttle precision and handling on rock and trail courses. Keep as a spare in a hobbyist toolkit for quick swaps during events or while testing motor and gearing changes. What to check before Confirm your motor type is brushless. Verify receiver and battery connector compatibility and available mounting space in your chassis. Match the 45A current rating to your motor and battery setup to ensure safe operation. This ESC provides a practical, highercapacity option for hobbyists seeking a direct replacement or performanceminded upgrade for MN99S 1/12 crawlers and similar brushless RC projects.