AEROZINE chainring for MTN-cranksets with 104mm BCD for middle position

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

This item is no longer being offered by the manufacturer
  • universal, middle chainring
  • for Triple cranksets
  • for 4-Arm crankset installation

Product information & technical details

Material: Aluminium
teeth: 32
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

English reviews written for AEROZINE MTN chainring middle