Team Associated 48 Pitch Brushless Spur Gear. These spur gears are compatible with a variety of Team Associated slipper clutch equipped vehicles. Featuring a smaller design, these gears moves the motor forward for better balance and more predictable handling, and allow the use of smaller pinion gears. They allow gear ratios that are optimized for 17.5, 13.5, and 10.5 motors.Features:Smaller design for gear ratios used with 17.5, 13.5 and 10.5 brushless motors.Allows the use of smaller sized pinion gears.Moves motor forward for better balance and more predictable handling.69T, 72T and 75T available (48 pitch).