Yana Shiki USA SE8020B Black 6"-12" Swingarm Extension with Adjustable Billet Aluminum 6061T6 for Honda Grom 125 Fit HONDA GROM 125 2014 - 2015 Bolt on extensions create NO permanent modifications to stock swingarm Extends swingarm 6" - 12" Made with strong 6061 T6 Billet Aluminum