Four light weight 7075 alloy double chainring bolts anodized black (7.2mm deep) for mounting double chainrings, single chainrings with spacers etc. 8 grams per set of four.
* Mountain biking rattles bolts loose – use a quality thread lock compound to prevent this. Pay particular attention to things like chain ring bolts – a lost chainring bolt can lead to chainring failure.
* We recommend torquing chainring bolts to 6-8nm and periodic inspection.