Material: High strength Aluminum 7075-T651
Material Hardness:HB150
CNC process precision:0.03mm
Surface treatment: Anodize, high speed CNC
Thickness:4MM
Color: black anodized
Size: 104BCD
Fit for : Shimano M590/610/615/670/675/770/785/780/970/980/820/430
For SRAM most 30s Crank X0/X5/X7/X9 XF
Note：
Narrow wide tooth, it design for 1x speed only, can not use as 2x speed, not support front shifting derailleur.
Chain Speed support:
9-10-11-12 speed(MTB chain), 9-11s( for Sram Road bike chain), 9-12s(for shimano Road bike chain), Not support AXS/T-type 12s flattop chain.
(If want tooth shape for AXS/T-type flattop chain, please send us message to customize and pay extra surcharge)
Notice:
You have to replace the 12s shimano road bike chain original quick link to other brand 12s quick link like KMC YBN SUMC any brand. as the shimano 12s road bike chain quick link is too narrow.
Package Contents:
1 x Chainring, 4 bolts
Tooth Max diameter(mm) Weight(g)
34 T , 154 mm , 50 g
36 T , 162 mm , 62 g
38 T , 170 mm , 69 g
40 T , 178 mm , 72 g
42 T , 186 mm , 78 g
44 T , 194 mm , 86 g
46 T , 202 mm , 98 g
48 T , 210 mm , 109 g
50 T , 218 mm , 118 g
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.
Most Stone chainrings produce by order, it need several days to produce. Hope you would understand 3-5days prepare time.
