Only for old model Sram XX1, Stout, SiSl2 crankset. Other 76BCD not work.
Not for FSA and ROTOR.
(2 adjacent bolts distance is 49.0mm; 62.4mm; 53.9mm. Measure it before buy.)
This chainring is design for 1x speed bike, not support 2x speed bike and not support front shifter and 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 12s flattop chain.
(default not support axs flattop 12s chain, if want axs tooth please send us a message to customize)
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.
Tooth Max diameter(mm) Weight(g)
30 T , 130 mm , 37 g
32 T , 134 mm , 44 g
34 T , 145 mm , 51 g
36 T , 154 mm , 62 g
38 T , 162 mm , 74 g
40 T , 170 mm , 85 g
Package Contents:
1pcs chainring, 4pcs bolts
Advantages:
1 Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus. 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.