64T main gear and 17T 21T 26T 29T motor gears combo Made of high quality material long-lasting performance Rust-proof treatment on the surface of gears Suitable for , RedCat 1/10 RC Car. Height:11mm (motor gear); 9mm (main gear) Tip diameter 17T:11.5mm 21T:14mm 26T:16.5mm 29T:18.5mm 64T:40mm Suitable shaft diameter:3.175mm (motor gear); 5mm (main gear) Use:Vehicles & Remote Control Toys RC Parts & Accs:Motors Four-wheel Drive :Assemblage Tool Supplies:Assembly Category Technical parameters:Value 4 Model Number:64T 17T 21T 26T 29T For Vehicle Type:Cars Upgrade Parts/Accessories:Gear Remote Control Peripherals/Devices:RC Car Gear colour:Brass Material:metal Package Contents: 1*64T Gear 1*29T gear 1*26T Gear 1*21T gear 1*17T gear 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.