absoluteBLACK Round 1X Chainring for 104/64 BCD

The absoluteBLACK Round 1X 104/64 BCD chainring for 4-arm cranks with 104 or 64 mm bolt circle diameterThis round 1x chainring by absoluteBLACK is compatible with four-arm MTB cranks that have a bolt circle diameter of 104 or 64 mm. Use it for such cranks