Shopping from link below:
STONE 110 BCD Oval Chainring, narrow and wide
Size: 110 BCD 4 arms, oval
Thickness: 4MM
Fit for Shimano 105 Dura ace R7000,R8000, R9100
Speeds: 9/10/11/12 speed, Support both Sram and Shimano 12 speed chain
Color: black
Surface treatment: Anodize, high speed CNC
We can offer hollow style and aero style.
Tooth: 42-60T
Material 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)
42 T , 186 mm , 77 g
44 T , 194 mm , 92 g
46 T , 202 mm , 99 g
48 T , 210 mm , 103 g
50 T , 219 mm , 112 g
52 T , 226 mm , 124 g
54 T , 235 mm , 136 g
56 T , 242 mm , 145 g
58 T , 250 mm , 160 g
60 T , 258 mm , 176 g
