Stone 110BCD Chainring R8000 R7000 R9100 Shimano
- Size: 110 BCD 4 arms, round
- Thickness: 4MM
- Speeds: 9 10 11 12 speed for both Sram and Shimano chain
- Fit : For Shimano 105 Dura ace R7000, R8000, R9100 only
- Incompatible with other 110 BCD chainring
- Tooth: 34-60T
- Color: black
- Surface treatment: Anodize, high speed CNC
- Material Hardness: HB150
- Material: High strength Aluminum 7075-T651
- CNC process precision:0.03mm