Specification AgeRangeDescription : adult Brand : JeeYe BulletPoint1 : Applicable range: Designed for 125-620cc and endurance racing, covering 1991-2023 models BulletPoint2 : Specifications: 125×150mm center distance with 8.5mm countersunk hole to meet professional modification needs BulletPoint3 : Lightweight structure: 0.8kg weight optimization to improve the power transmission efficiency of vehicles BulletPoint4 : Material technology: forging technology is to adapt to the use requirements under different terrain conditions BulletPoint5 : Applicable models: Suitable for sprocket replacement needs of 690SM/790Duke890D and other models Color : One Color ExternallyAssignedProductIdentifier : 5075377504821 ExternallyAssignedProductIdentifier1 : 4066913049679 ExternallyAssignedProductIdentifier2 : 4066913049099 ItemName : JeeYe 1pc 520 40T 41T 42T 45T 48T 50T 52T Rear Sprocket Gear Staring for 2018-2019 D790 2020 790 890(48T Copper-clad Al) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : JeeYe ModelName : JeeYe030486 ModelNumber : 030486 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 030486 ProductDescription : Inner diameter X-hole center distance: 125*150mm hole 8.5mm Item Diameter : 12.5cm Item Weight : 0.8kg Model Name : 890 Adventurecountersunk Fit for Motorcycle models 690 SM 07 690 SM 08-09 690 SM Ltd. Ed. 10 790 D 18-19 790 D 20 790 D L 18-19 790 D L 20 890 D 21 890 D 22 890 D GP 22 890 D L 21 890 D R 20 890 D R 21 890 D R 22 ProductSiteLaunchDate : 2025-04-16T12:58:13.358Z Size : 48T Copper-clad Al UnitCount : 1 UnspscCode : 52140000