It contains 16 top wheels and 21 bottom wheels.
Applicable to 1:10 Nitro On-Road Car
Material:Metal
Color:Metal color
Diameter: . 40mm/1.57inch

Package Includes:1 Piece Double Gears Clutch Bell
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.