Traxxas TRX-4M High/Low 2-Speed Transmission (9891)

A New Level of Crawling Capability
Add enhanced crawling capability to your TRX-4M^™ with the new High/Low 2-speed transmission. The manually selectable unit adds a low gear option for incredible rock-crawling torque, while keeping the standard high gear ratio for general driving. The transmission comes fully assembled and ready to install with a new Titan^® 180 motor and mounting bracket.

Note: The High/Low 2-Speed Transmission is compatible with standard gears and the optional 9776X speed gear set. Not compatible with 9776R crawl gears.