This 51-tooth, 48-pitch spur gear is specifically engineered for the Kyosho Optima 2016 MCN re-release, designed to accommodate the demands of modern brushless (BLS) motor setups. Crafted from a durable, high-quality composite material, it ensures reliable power transfer from the motor's pinion to the vehicle's transmission while providing excellent wear resistance. As an integral part of the slipper clutch assembly, this gear helps protect the entire drivetrain from sudden impacts and excessive torque, making it essential for maintaining the longevity and performance of your classic re-release off-road buggy.