Shimano sm cn900 11 speed quick linkthe shimano 11 speed quick link is designed with tool free assembly in mind for quick on the trail repairs the sm cn900 is compatible with all shimano 11 speed chains features quick link designed for tool free chain repair compatible with all shimano 11 speed chainsa 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products buy shimano components from chain reaction cycles the worlds largest onli