Yana Shiki A4292ABLRC Anodized Black 4"-6" Swingarm Extension for Yamaha YZF-R6 Yamaha YZF-R6 2008-2013 Our bolton swingarm extensions are an easy bolt on & made of billet aluminum. Available in Silver, Black or Chrome Adjustments vary by model but range from 4"10" Brake hanger included if required An extended brake line & chain are required to complete installation. all sold separate.