Stone 107BCD Oval Chainring for Sram Force
- Material: High strength Aluminum 7075-T651
- CNC process precision: 0.03mm
- Material Hardness: HB150
- Color: black
- Size: 107 BCD
- Thickness: 4MM
- Speed: 9-10-11-12 speed for Shimano and 9-11 speed for Sram
- Fit for crankset: for Sram Force 4 arms crankset
- Surface treatment: Anodize, high speed CNC