NOTICE:2 Model option,one is for ordinary 9-12s. the other is for 12s AXS flattop tooth.
Fit for crank: for Sram force ,Red (Dub), Rival, 8 bolt holes(not work with 3 bolts spindle)
Color: black, anodized
Speed: ordinary 9-12s/12s AXS
Thickness:8mm
Hardness:HB150
Chainline: 46mm
Offset: 4.2mm
Fit for Gravel and Road bike. Not works with MTB. As offset different.
CNC process prisicion: 0.03mm
Package Contents:
1 x bike chainring or 8PC Screws
Features:
Stone workshop new design narrow wide tooth, enhanced anti chain drop, enhanced self clean from soil dirty and less noise.
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 equipment from Taiwan and Germany. Processing accuracy 0.03mm. Ensure offers you the best riding component.