Shopping from link below:
STONE 110 BCD Chainring, narrow wide tooth
Size: 110 BCD 4 arms, oval
Thickness: 4MM
Speed: 12/11/10/9 speed, Support both Sram and Shimano 12 speed chain
Fit for Shimano 5800 6800 4700 9000
Tooth: 36-60T
Color: black anodized
Surface treatment: Anodize, high speed CNC
Hardness:HB150
Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier.
CNC process precision:0.03mm
Package Contents:
1 x chainring, 4 bolts
Tooth Max diameter(mm) Weight(g)
36 T , 162 mm , 67 g
38 T , 170 mm , 80 g
40 T , 178 mm , 86 g
42 T , 186 mm , 89 g
44 T , 194 mm , 102 g
46 T , 202 mm , 106 g
48 T , 210 mm , 115 g
50 T , 219 mm , 131 g
52 T , 226 mm , 136 g
54 T , 235 mm , 145 g
56 T , 242 mm , 150 g
58 T , 250 mm , 166 g
60 T , 259 mm , 175 g
