Specification Brand : Akozon BulletPoint1 : 【Feature】8000- 23000 RPM with 6V/ 12V Drive Engine, RS550 Drive engine is made of high strength plastic board combined with high quality motor BulletPoint2 : 【High Speed】Specially customized for Kids Carriage modification, car modification with High Speed.You can also adjust the speed, but the electric gear motor speed can only be reduced, can not be raised. Low noise and high BulletPoint3 : 【Field of use】 is used in the majority of kids wheels, is suitable for cars, remote control cars and motorcycles, ATV, karting, child vehicles and other modifications. It is a good choice to replace the broken one BulletPoint4 : 【Easy Item is easy to replace and is universal, guaranteed Exact Fit for easy installation, engineered for superior durability, backed by industry BulletPoint5 : 【Kindly Remind】Check the size of the gear before purchasing. There are Eight type : 6V12000RPM, 12V23000RPM, 12V18000RPM, 12V8000RPM, 6V10000RPM, 6V8000RPM, 12V10000RPM, 6V15000RPM, Hole Inner Diameter: 1.2cm/0.5in, Weight: 483g~515g(approx.) Edition : 4pcs ExternallyAssignedProductIdentifier1 : 715538893917 ExternallyAssignedProductIdentifier2 : 0715538893917 Horsepower : 1800 watts ItemName : 8000RPM with 12V Motor, Electric Motor with for Kids Ride On Cars and Motorcycles Wheels Universal RS550 Drive Engine for Kids Carriage ItemPackageDimensions_Height : 32.512 centimeters ItemPackageDimensions_Length : 13.716 centimeters ItemPackageDimensions_Width : 26.416 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hobby-rc-vehicle-motors Manufacturer : Akozon Material : Plastic ModelName : aeo ModelNumber : Akozonz324egugvs-04 PartNumber : Akozonz324egugvs-04 ProductDescription : Features: This is a great electric motor used for children's cars. The middle gear is made of metal which is more sturdy and . It will make quite low noise and more wear-resistant. There are two types for different voltage and speed that you can choose as need. It will be a great replacement part for your broken or old ones.