ITEM NAME:Rear Seat Tube Frame Hoop Loop End Upswept For CB500 Description: Modification to the motorcycle may be need to assemble it. Please check photos and dimensions before ordering. Fit for: Cafer racer large cc bike For Honda CB500 CB550 CB650 CB750 For Yamaha XS750 XS850 XS1100 For Suzuki GS550 GS650 GS750 GS850 GS1100 Specification: Material: bare steel finishing iron (Unpainted, maybe a little rust.) Color: Silver gray Tube thickness: about 2mm Outside tube diameter: about 22mm (7/8 ") Size: as the picture shows Package Includes: 1 piece of seat frame hoop loop Note: Please.For Honda CB500 CB550 CB650 CB750. Tube thickness: about 2mm. Cafer racer large cc bike. Modification to the motorcycle may be need to assemble it. The item's color may be slightly different from the pictures due to the light and screen setting difference.