VumaChrono chain ring bolt kit

Use this bolt kit to replace old, missing or worn ring bolts and screws on the VumaChrono. Fits all custom VumaChrono rings. Four aluminum no-nuts bolts and corresponding spacers for the small rings and nine screws for the large chain ring with a ramp pin.

Use a 6 mm hex key for the bolts and tighten to 9-10 NM after capturing the spacers.