This is a 90 tooth 48 pitch spur gear for electric HPI vehicles. This is the main gear of the vehicle and it meshes with the pinion gear.
Features: Plastic construction that is black in color
Includes: One 90T spur gear and one gear ratio chart
Requires: Installation onto vehicle
Outer diameter: 48.5mm (1.913)
Thickness: 5mm (0.20)
Number of teeth: 90
Note: This gear will work for the following vehicles: RS4 Pro 2, Sport 2, Mini, Mini Pro, Rally, and MT.