Specification Brand : F FIERCE CYCLE BulletPoint1 : Type: NK15/12 ; Material: Steel. BulletPoint2 : Outside Diameter:23mm/0.91" ; Inner Diameter:15.4mm/0.61" ; Overall Size: 23x12mm / 0.91"x0.47"(OD*H) BulletPoint3 : Fit for:WY125;CG125. BulletPoint4 : The bearing well lubricated can runs smoothly and efficiently. BulletPoint5 : Made of material for durability and resistance. ExternallyAssignedProductIdentifier1 : 889058913964 ExternallyAssignedProductIdentifier2 : 0889058913964 ItemName : F FIERCE CYCLE Motorcycle NK15/12 Needle Roller Bearing for WY125 CG125 0.61" ID 0.91" OD ItemPackageDimensions_Height : 0.39 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemTypeKeyword : needle-roller-bearings Manufacturer : F FIERCE CYCLE Material : Alloy Steel ModelNumber : OTH191110Z-0358 NumberOfItems : 1 PartNumber : a20052900ux0177 ProductDescription : Description: Made of material for durability and resistance. Smooth moving,low friction,high performance and long life. Simple configuration,high speed,high precision,less coefficient of friction. This is non-OEM product.