This product is a precision differential gear set designed to restore smooth and reliable drivetrain performance in high-performance RC vehicles. Manufactured from durable hardened steel, it ensures efficient power transfer while reducing wear under demanding racing or bashing conditions. Designed for use with the TKR5149 differential cross pins, it provides proper internal differential operation and consistent gear engagement. Compatible with Tekno RC platforms including the EB48, ET48, SCT410, and MT410 series, it offers direct fitment with no modification required. This gear set is ideal for maintenance, rebuilds, or replacing worn internal differential components to keep your drivetrain operating at peak performance.