Box One™ 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.
Material | Chromoly |
Other | Laser-etched logos |
Includes:
- (5) 8.5mm bolts
- (5) 6mm bolts
- (5) 5mm nuts