This is an optional 96 Tooth 64 Pitch Spur Gear for the Associated RC10R5 Factory Team Car, ASCC8020. This is the main gear of the vehicle that meshes with the pinion gear. Black nylon construction Multiple mounting holes for various applications One 96T 64P Spur Gear Nothing. This is a direct replacement part. Total outer diameter: 43.5mm (1.71") Thickness: 10mm (0.39") lmm 12/18/08 ir/jxs &