Description: 17T 18T 19T 20T 21T 22T Motor Gears Engine Combination Made of high quality material, includes adjusting bolt Durable metal construction for long-lasting performance Anti-rust treatment on the surface of gears Suitable for 3.175mm of engine shaft 1/10 RC off-road buggy monster truck Car brushless brushed motor Specification: Material:soft steel. Color:Black Size Chart: Bore diameter: 3.175mm suit for motor with 3.1mm diameter output shaft Package Includes: 6 pieces Motor Gears
