Best Seller | Team Associated 48 Pitch 72T Spur Gear B4/T4 ASC9649 Gears & Differentials 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 ) Inner... more | | $8.67 $6.00 FREE shipping go to store |