Spiral 7075 Alloy Chainring bolt kits include five 8.5-mm front bolts, five 6-mm front bolts and five 5-mm rear nuts so they will fit just about any chainring/crank combination, including chainrings and cranks with threaded holes. Key Features:laser-etched BOX logos,Lightweight at just 7 grams.Includes:(5) 8.5mm front,(5) 6mm front,(5) 5mm rear.
