Four-wheel Drive : Shell/Chassis/Wing/Head RC Parts & Accs: Engines Product name: Flywheel Assembly For Vehicle Type: For 1/8 RC Hobby Model Car Name: Bearing, Clutch Shoes, Springs, Cone & Engine Nut colour:(red, blue, silver)Random Color Random color, don't accept the specified color. Material:metal Package Contents: 2 set x Flywheel Assembly Set Only the above package content, other products are not included. Note: Light 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.