This TT-02 chassis option is a gear set featuring a newly designed aluminum spur gear holder and spacer. Components for improved RC car performance and setup Colour:As Shown Material:Metal Package Contents: 1 * RC Car 68T Spur Gear 1 * RC Car Gear Mounting Block Only the above package content, other products are not included. 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.