2005-2012 Honda CBR 600RR Swingarm Extensions - 4-6" - Chrome  Want to stretch your bike for the drag strip, but don't want to permanently change your swingarm?  We have the answer with these swingarm extensions. With these bolt on swingarm extensions, you can instantly add 4”-6” to your swingarm with no modifications!  Just bolt them on!  These swingarm extensions are made of 100% billet aluminum to the finest standards.  Note:  Will need a longer chain and a longer brake line. It is essential to use lowering links with swingarm extensions to level your bike.