Specification Brand : CHICIRIS BulletPoint1 : TOUCH MATERIAL: Chain sprocket wheel is made of quality metal steel materials, with good performance and toughness, strong and long service life BulletPoint2 : PROFESSIONAL AND STABLE: Bicycle sprocket adopts professional manufacturing technology, stable performance and trusted, you can use with confidence BulletPoint3 : FOR MAINTENANCE: The speed cut motor sprocket is important for bicycle enthusiasts and the first choice for bicycle maintenance and repair BulletPoint4 : 6PCS IN TOTAL: The package contain a total of 6pcs chain sprockets, enough for you to replace and use, meet your various using needs, very convenient BulletPoint5 : TECHNICAL PARAMETERS: Bike chain sprocket wheel is 420 Type, possess 14 Teeth, inner diameter is 12x17mm, useful and practical, provide great convenience FitType : Universal ItemName : CHICIRIS Motor Sprocket, 6Pcs Chain Sprocket Wheel Bike Speed Cut Motor Accessory 420 Type 14 Teeth Inner Dia 12x17mm ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 15 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : CHICIRIS ModelName : CHICIRISsgv1r9pekf ModelNumber : CHICIRISsgv1r9pekf PartNumber : CHICIRISsgv1r9pekf ProductDescription : Spec: Item Type: Chain Sprocket Wheel Material: Steel Inner Diameter: Approx. 12 x 17mm / 0.47 x 0.67in