This Kyosho factory replacement front bevel gear set includes one pinion gear and one ring gear, designed to fit Kyosho RC vehicles using the KC10 drivetrain. The set pairs an 8-tooth pinion with a 30-tooth ring gear, providing the correct spiral bevel gear geometry for smooth power transfer between perpendicular driveshafts. Both gears are machined metal construction for durability under the loads typical of RC drivetrain use. Features: 8-tooth pinion and 30-tooth ring gear included Spiral bevel gear design for perpendicular shaft power transfer Metal construction One piece of each gear included 7/7/26 cs