Material: High strength Aluminum 7075-T651.
Material Hardness: HB150
4 arms chainring such as Dura-Ace R9100, Ultegra R8000, 105 R7000, Tiagra 4700, FC 5800 6800 9000, R7100 R8100 R9200
Inner hole fit to crankset of Rotor new model crank,Kapic,Hawk,Raptor,new model 2inpower,new model inpower
Fit for aldhu, vegast,raptor crankset
Color: black
Thickness: 13MM
Support 1x and 2x speed.
Surface treatment: Anodize, high speed CNC process
Weight:
hollow style 50g
aero style 4 arms 60g,
aero style 4-5 arms 80g
Package content:
1pcs adapter
