Specification Brand : Acouto BulletPoint : Sheave pulley Cast Iron One Groove ID: 3/4" OD: 4.5" BK4534 for V Belt 5/8' wide B,5L BulletPoint1 : 1. Material: Crafted from high-strength metal material, the chain sprocket offers exceptional wear resistance and long-lasting performance, ensuring reliable use over time. BulletPoint2 : 2. Easy Installation: Engineered with size and shape design, the chain sprocket features a close fit for effortless installation and removal, saving you time and effort in maintenance. BulletPoint3 : 3. Compatibility: With 9 teeth, this chain sprocket is specifically designed for use with 25H chains, ensuring a seamless fit and optimal performance for your MY1020 motor engine. BulletPoint4 : 4. Enhanced Performance: As an ideal replacement for worn or damaged parts, this chain sprocket can greatly improve the performance of your motor engine, providing smoother and increased efficiency. BulletPoint5 : 5. Lightweight Design: Despite its sturdy metal construction, the chain sprocket remains lightweight, preventing any added burden and minimizing energy consumption, making it a practical and efficient choice for your motor engine. Color : Silver Tone ControllerType1 : Hand Control ControllerType2 : Push Button ControlMethod : touch ExternallyAssignedProductIdentifier1 : 0038266978481 ExternallyAssignedProductIdentifier2 : 038266978481 IncludedComponents : No ItemName : 25hcket Otorcket 9T 25H Engine Pinionear Chaincket H Shaped ForY1020otor Engine,Otor Accessory ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets LockType1 : Keypad LockType2 : Combination Lock Manufacturer : Acouto Material : Cast Iron ModelName : Acoutowqsy64x8mg ModelNumber : Acoutowqsy64x8mg NumberOfItems : 1 PartNumber : Acoutowqsy64x8mg ProductDescription : Item Type: Motor Sprocket Material: Metal Color: As Picture Shown Application: for MY1020 Motor Engine Product Size: Thickness: Approx.4mm/0.2in, Inner Diameter: Approx.10mm/0.4in, Inner Width: Approx.8.5mm/0.3in Gross Weight: Approx.5g/0.2oz