Made from chromoly, Spiral 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.
• Laser-etched BOX logos
• Long set of four with backs: 23 grams
• Short set of four with backs: 21 grams
• Chromoly chainring bolts
Brand: Box Components