Replacement for Cross Bones 2008-2011 / Replacement for Breakout 2013-2017 / Replacement for Blackline 2011-2013. Automatically adjust the tension of the primary chain, provide constant and even tension, which improves gear shifting, reduce shifting noise, makes for a smoother ride, extend primary chain life. Twin cam inner cam bearing has a nice black oxide finish, thumb screws are now stainless steel bolts, and the washers and nuts are a yellow zinc. Advanced manufacturing technology ensures durability and optimum operation, specialized designs yield significant and noticeable improvements to your engine.
