PART NUMBER :  ASC9649 DESCRIPTION : This is the 72T 48P Spur Gear for use on the Associated RC10B4 and RC10T4 Vehicles. FEATURES: Nylon construction Black in color YOU WILL RECEIVE: One Spur Gear REQUIREMENTS: Installation on the vehicle SPECIFICATIONS: Outer Diameter: 40mm (1.6&inch) Inner Diameter: 4.8mm (0.19&inch) Width: 5.2mm (0.20&inch) Teeth: 72 Pitch: 48 cnh 4/21/09 ir/jxs MANUFACTURED BY: Associated