Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier.
Material Hardness: HB150
Fit: to 110BCD 5 arms and 4 arms chainring, such as 4700 5800 6800 R7000 R8000 R9100 9000
Color: black
Thickness: 13MM
Fit for sram force 12s crank,red axs 12s crank,rival axs,QUARQ crank
Surface treatment: Anodize, high speed CNC
Package content:
1pcs adapter
Advantages:
1 Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier. Offer best stiffness and endurance.
2 High precision CNC processing. Working accuracy 0.03mm. Ensure offers you the best riding component.
Most Stone chainrings produce by order, it need several days to produce. Hope you would understand 3-5days prepare time.