This Core RC spur gear is a 78-tooth, 64-pitch replacement designed for Schumacher 1:12 platform vehicles. The molded plastic construction features a lightened face with recessed pockets to reduce rotating mass while maintaining rigidity. It is a direct factory-spec replacement for the drivetrain's main gear position. Features: 78-tooth count 64 pitch (64DP) Lightened face design reduces rotating mass Molded plastic construction 7/7/26 cs