The GPM MAKX1239TS differential gear set for ARRMA Kraton 8S is manufactured from 20CrInTiH steel for strengthened drivetrain components. The package contains a spiral 39T main ring gear plus a 12T spiral input gear to promote even torque distribution and better transmission efficiency. With a hardened, blackened finish these gears resist wear in demanding driving and climbing situations, preserving consistent performance session after session.
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