Box Spiral Chromoly Chainring Bolts
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.
Key features:
- Material: Chromoly
- Weight: 23 grams / 0.81 ounces (set of 4)
Includes:
- (5) 8.5mm bolts
- (5) 6mm bolts
- (5) 5mm nuts