Description Steel material, anti-wear, strong and durable, treatment on the surface of gears, more powerful and more stable. A great replacement gear for RC Car.Designed for the 1:10 scale RC enthusiasts, the metal main gear is the key component to enhance the performance of the RC car Features -Color:Dark Grey -Material:Steel -Size:1.50X1.00X1.00cm/0.59X0.39X0.39in (17T) -Size:3.90X3.90X0.60cm/1.53X1.53X0.24in (64T) -Made of high-strength steel: The gears are made of high-strength steel to ensure that they remain strong and durable even in high-speed operations and intense driving. -Precise 1:10 ratio: Designed specifically for 1:10 ratio RC cars, perfect matching to ensure the stability and accuracy of vehicle operations. -HSP special replacement parts: Suitable for HSP RC cars, easily replace the original gears and improve vehicle performance. -17T and 64T specifications are optional: 17T and 64T are available to meet different needs. -Improve power transmission efficiency: Metal materials have higher wear resistance and stability than plastics, significantly improving power transmission efficiency. Package list: 1 x 17T Steel Motor gear 1 x 64T Main Gear