Stone 110BCD Oval Chainring R8000 R7000 R9100 Shimano
- Size: 110 BCD 4 arms, oval
- Thickness: 4MM
- Fit for Shimano 105 Dura ace R7000,R8000, R9100
- Speeds: 9/10/11/12 speed, Support both Sram and Shimano 12 speed chain
- Color: black
- Surface treatment: Anodize, high speed CNC
- Tooth: 42-60T
- Material Hardness: HB150
- Material: High strength Aluminum 7075-T651
- CNC process precision:0.03mm