Replaces inner 32 teeth chainring with 104 BCD 4-arm design on Shimano, Sram, Truvativ, FSA or Prowheel cranks
Use on double or triple crankset
Will NOT work on Shimano M7000/M8000/M9000
Arms/Tabs Thickness: 4.85mm
Compatible with: 8/9/10/11 speed chain
Shape: Round