104BCD 32t 34t 36t 38t 42t Narrow Wide Bike Chainring Single Sprocket Round Oval
This chainring fit for 8/9/10/11 speed chain, fit JIANKUN(IXF) crank and Shimano M370/M410/M610/M670/M780 crank (not fit M7000/M8000/9000). Fit SRAM/FSA/Prowheel 104bcd crank. Round Weight: about (38g)/32t(different size,different weight ).