AEROZINE chainring for MTN-cranksets with 104mm BCD & CNC processing for outer position

High quality chainring for 4-arm cranksets with optimum chain shifting ramps.

This item is no longer being offered by the manufacturer
  • universal, outer MTN-chainring
  • for 4-Arm crankset installation
  • polished finish
  • suitable for pretty all relevant cranksets
  • 104mm BCD

Product information & technical details

Material: Aluminium
Surface finish: anodized
teeth: 42, 44
bolt circle diameter: 104
Gear system: 8-speed, 9-speed, 10-speed


  • universal to use chainring for nearly every crankset, that uses the same BCD and number of arms
  • shifting ramps improve shifting quality
  • CNC-machined