Material: High strength Aluminum 7075-T651.
Material Hardness: HB150
Color: black,silver
Fit Crank:
M6100,M6120,M6130,M7100,M7120,M7130,M8100,M8120,M8130,M9100,M9120,M9130
104BCD
Offset: inner offset 3mm and 6mm; negative offset for big size chainring
(install the locking ring at one side get 3mm offset, install at another side get 6mm offset)
To solve the problem of the riders installing a big teeth against the frame, can install to the outside (negative offset).
Surface treatment: Anodize, high speed CNC
Weight: 57g
Package content:
1pcs chainring, 1pcs washer
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.
