Specification Brand : Generic BulletPoint1 : Our team is here to assist you anytime. Whether you have a question about a product, need help with your order, or simply want personalized recommendations, we're just a message away. Hassle-Free Returns: Easy returns and exchanges simplify the process. BulletPoint2 : 50X16 Weld Sprockets Bore to Fit X-Hub 2"Fits #50 Roller Chain16 ToothOutside diameter = 3.520"Pitch Diameter = 3.204"These are Flat Plate Steel Weld SprocketsHub sold separately! ItemName : 50X16 Weld Sprocket for X Series Weld Hub 16 Tooth #50 Chain ItemTypeKeyword : roller-chains Manufacturer : rustic203 NumberOfItems : 1 PartNumber : 6523663323 ProductDescription : Our team is here to assist you anytime. Whether you have a question about a product, need help with your order, or simply want personalized recommendations, we're just a message away. Hassle-Free Returns: Easy returns and exchanges simplify the process. ProductSiteLaunchDate : 2024-03-26T10:32:45.006Z UnitCount : 1