Stand Screw Slider CNC Aluminum Parts Motorcycle is very suitable for Yamaha TDR250TDR250 Backup Engine Spool Rear Bracket Screw Slider 1988-1990 1989 1990 (Color : 4)Swing arm bracket screw function: protect the rear swing arm from tipping over and place the motor on the bracket. 6mm, 8mm or 10mm before ordering. The package is as follows Furniture: Universal type is 10mm screw bolt bike Before ordering, please make sure your motorcycle's rocker spool screw size is either 6mm, 8mm, or 10mm. Color: 4 Size: One Size Manufacturer: QINGSONGSHANGMAO Material: metal Product weight: 200 grams Material composition: metal