Stand Screw Slider M6 Swing Arm Stand Screw Motorcycle Swing Arm Spool Slider Bobbin Suitable for Yamaha R1 YZF-R1 YZFR1 2005 2006 2007 2008 2009-2018 (Color: B)Swing arm bracket screw function: protect the rear swing arm over the tip and place the motor on the bracket. We will provide you with satisfactory service. 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: B Size: One Size Manufacturer: QINGSONGSHANGMAO Material: metal Product weight: 200 grams Material composition: metal Assembled: No