Specification Brand : THALOUS BulletPoint1 : 【Model】Front derailleur FD-M310, 6/7/8 speed. Made of high strength aluminum alloy material, strong and durable, lightweight design. BulletPoint2 : 【Double SIS positioning】47.5-50mm chain center line compatible with wide chain design, improve variable speed response, extend service life BulletPoint3 : 【Compatible tooth ratio】42/44T, drawing mode: up and down double pull, installation diameter: 31.8mm/34.9mm. BulletPoint4 : 【High compatibility two-way pull arm】accurately adjust the positioning screws to adjust the transmission to the best working condition. BulletPoint5 : 【Principle of speed change】The speed change line pulls the guide chain piece to toggle the chain, so that the chain runs on different tooth pieces of the tooth disk, realizing the tooth ratio of different speeds, making the riding more effortless and faster Color : FD-M310 3x7/8 Speed ExternallyAssignedProductIdentifier1 : 694341195497 ExternallyAssignedProductIdentifier2 : 0694341195497 ImportDesignation : Imported IncludedComponents : 1*front derailleur ItemDisplayDimensions_Height : 2.7 inches ItemDisplayDimensions_Length : 4.3 inches ItemDisplayDimensions_Width : 4 inches ItemName : THALOUS Bicycle Front Derailleur Altus FD-M310 3x7/8 Speed for Mountain Road Bike 31.8 34.9 mm ItemPackageDimensions_Height : 17.1 centimeters ItemPackageDimensions_Length : 7.6 centimeters ItemPackageDimensions_Width : 15.3 centimeters ItemTypeKeyword : front-bike-derailleurs ItemTypeName : Bicycle front derailleur Manufacturer : THALOUS Material : Aluminum ModelName : Bicycle front derailleur ModelNumber : TH-FRM310-US MountingType : front NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : TH-FRM310-US ProductDescription : THALOUS Bicycle Front Derailleur Altus FD-M310 3x7/8 Speed for Mountain Road Bike 31.8 34.9 mm ProductSiteLaunchDate : 2023-03-02T03:52:24.092Z Size : Normal SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1 WarrantyDescription : False