Material: High strength Aluminum 7075-T651,Boeing and Bombardier.
Material Hardness: HB150
Color: Black,Silver
Thickness: 13MM
Only fit for White Industries R30 crankset,
to 4 arms 110bcd road bike chainring, for 1x and 2x chainring, such as Dura-Ace R9100, Ultegra R8000, 105 R7000, Tiagra 4700, FC 5800 6800 9000, R7100 R8100 R9200
to 5 arms 110bcd road bike chainring, for 1x and 2x chainring
this spider support 1x speed and also 2x speed chainring.
Surface treatment: Anodize, high speed CNC
Weight: 49g
About offset: After installing the chainrings, Large chainring inner offset of 3.5mm , Small chainring inner offset of 10.5mm
Package content:
1*adapter
Advantages:
1 Material: High strength Aluminum 7075-T651, Offer best stiffness and endurance.
2 High precision CNC processing. Working accuracy 0.03mm. Ensure offers you the best riding component.