Material: Aluminum 7075 and full CNC process
Color: black, anodized
Round shape narrow wide tooth
Fit for crankset: for rotor Aldhu and other rotor road bike 4 bolts crank
compatible for shimano R7000 R8000 R9100 FC-4700/5800/6800/9000 crank
Thickness:4mm
Hardness:HB150
Tooth Max diameter(mm) Weight(g)
34 T , 146 mm , 45 g
36 T , 154 mm , 51 g
38 T , 162 mm , 63 g
40 T , 170 mm , 79 g
42 T , 178 mm , 78 g
44 T , 186 mm , 88 g
46 T , 194 mm , 94g
48 T , 202 mm , 107 g
50 T , 210 mm , 112 g
52 T , 219 mm , 129 g
54 T , 226 mm , 139 g
56 T , 235 mm , 153 g
58 T , 242 mm , 162 g
60 T , 250 mm , 169g
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)
Default Not support AXS flattop chain.
If want tooth shape for sram axs flattop chain, please send us a message to customize and pay extra surcharge.
Notice: You have to replace the original shimano brand 12s chain’s chain quick link by other brand quick link, such as KMC YBN, as the shimano 12s quick link is too narrow.
Package Contents:
1 x bike chainring,4 bolts
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, . 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.
