Stone 104BCD Round Chainring for Shimano Crankset
- Size: 104BCD Round
- Fit for : Shimano M590/M610/M615/M670/M675/M770/M785/M780/M970/M980/M820/M430, SRAM Most 30s Crank X0/X5/X7/X9,IXF
- Speed: 9/10/ 11 /12speed,1xspeed, Support both Shimano and Sram 12 speed system
- Tooth: 30-50T
- Thickness: 4MM
- Color: black anodized
- Hardness: 150HB
- Material: Aluminum 7075-T651
- Process precision: 0.03mm