Special Features:KNUCKLE SYSTEMItem Diameter:0inchItem Weight:1.5kgItem Height:1inchItem Width:10inchItem Length:10inchModel Name:168 200F Go KartOrigin:Mainland ChinaMaterial:STEELDescription: -- Condition: 100% Brand New -- Material: steel -- Color: As picture -- Quantity: 1 pair/2pcs -- Size: As the picture shows Note: -- 1.Instruction is not included, professional installation is highly recommended. -- 2.Please check the size measurement chart carefully to ensure it's the right item you need before making payment. -- 3.Please allow 0.5-1.0cm difference due to manual measurement.(1 cm=0.3937''). -- 4.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Please check the product description and pictures carefully before your purchase to ensure it's the correct part you need! Package Included: 1 pair Knuckle Spindle or 1 pair Wheel Hub Please confirm the content of the options before purchasing, please select the product options according to your own needs!